A curated list of awesome Scala frameworks, libraries and software.
- apache/spark - Apache Spark - A unified analytics engine for large-scale data processing
- lichess-org/lila - ♞ lichess.org: the forever free, adless and open source chess server ♞
- scala/scala - Scala 2 compiler and standard library. Scala 2 bugs at https://github.com/scala/bug; Scala 3 at https://github.com/scala/scala3
- playframework/playframework - The Community Maintained High Velocity Web Framework For Java and Scala.
- apache/predictionio - PredictionIO, a machine learning server for developers and ML engineers.
- yahoo/CMAK - CMAK is a tool for managing Apache Kafka clusters
- rtyley/bfg-repo-cleaner - Removes large or troublesome blobs like git-filter-branch does, but faster. And written in Scala
- gitbucket/gitbucket - A Git platform powered by Scala with easy installation, high extensibility & GitHub API compatibility
- twitter/finagle - A fault tolerant, protocol-agnostic RPC system
- gatling/gatling - Modern Load Testing as Code
- scala/scala3 - The Scala 3 compiler, also known as Dotty.
- fpinscala/fpinscala - Code, exercises, answers, and hints to go along with the book "Functional Programming in Scala"
- microsoft/SynapseML - Simple and Distributed Machine Learning
- sbt/sbt - sbt, the interactive build tool
- scalaz/scalaz - Principled Functional Programming in Scala
- scala-js/scala-js - Scala.js, the Scala to JavaScript compiler
- scala-native/scala-native - Your favorite language gets closer to bare metal.
- chipsalliance/chisel - Chisel: A Modern Hardware Design Language
- zio/zio - ZIO — A type-safe, composable library for async and concurrent programming in Scala
- TheHive-Project/TheHive - TheHive: a Scalable, Open Source and Free Security Incident Response Platform
- twitter/scalding - A Scala API for Cascading
- scalanlp/breeze - Breeze is/was a numerical processing library for Scala.
- chipsalliance/rocket-chip - Rocket Chip Generator
- awslabs/deequ - Deequ is a library built on top of Apache Spark for defining "unit tests for data", which measure data quality in large datasets.
- milessabin/shapeless - Generic programming for Scala
- xxf098/shadowsocksr-v2ray-trojan-android - A simple client for Android
- spark-jobserver/spark-jobserver - REST job server for Apache Spark
- twitter/util - Wonderful reusable code from Twitter
- slick/slick - Slick (Scala Language Integrated Connection Kit) is a modern database query and access library for Scala
- scalatra/scalatra - Tiny Scala high-performance, async web framework, inspired by Sinatra
- softwaremill/elasticmq - In-memory message queue with an Amazon SQS-compatible interface. Runs stand-alone or embedded.
- lagom/lagom - Reactive Microservices for the JVM
- scala-exercises/scala-exercises - The easy way to learn Scala.
- com-lihaoyi/Ammonite - Scala Scripting
- spotify/scio - A Scala API for Apache Beam and Google Cloud Dataflow.
- http4s/http4s - A minimal, idiomatic Scala interface for HTTP
- circe/circe - Yet another JSON library for Scala
- spray/spray - A suite of scala libraries for building and consuming RESTful web services on top of Akka: lightweight, asynchronous, non-blocking, actor-based, testable
- typelevel/fs2 - Compositional, streaming I/O library for Scala
- com-lihaoyi/mill - Mill is a fast JVM build tool that supports Java, Scala, Kotlin and many other languages. 2-4x faster than Gradle and 4-10x faster than Maven for common workflows, Mill aims to make your project’s build process performant, maintainable, and flexible
- geekyouth/SZT-bigdata - 深圳地铁大数据客流分析系统🚇🚄🌟
- joernio/joern - Open-source code analysis platform for C/C++/Java/Binary/Javascript/Python/Kotlin based on code property graphs. Discord https://discord.gg/vv4MH284Hc
- twitter/algebird - Abstract Algebra for Scala
- twitter/finatra - Fast, testable, Scala services built on TwitterServer and Finagle
- salesforce/TransmogrifAI - TransmogrifAI (pronounced trăns-mŏgˈrə-fī) is an AutoML library for building modular, reusable, strongly typed machine learning workflows on Apache Spark with minimal hand-tuning
- typelevel/doobie - Functional JDBC layer for Scala.
- scalameta/metals - Scala language server with rich IDE features 🚀
- zio/zio-quill - Compile-time Language Integrated Queries for Scala
- metarank/metarank - A low code Machine Learning personalized ranking service for articles, listings, search results, recommendations that boosts user engagement. A friendly Learn-to-Rank engine
- typelevel/cats-effect - The pure asynchronous runtime for Scala
- pocorall/scaloid - Scaloid makes your Android code easy to understand and maintain.
- coursier/coursier - Pure Scala Artifact Fetching
- sangria-graphql/sangria - Scala GraphQL implementation
- typelevel/scalacheck - Property-based testing for Scala
- apache/cassandra-spark-connector - DataStax Connector for Apache Spark to Apache Cassandra
- monix/monix - Asynchronous, Reactive Programming for Scala and Scala.js.
- riscv-boom/riscv-boom - SonicBOOM: The Berkeley Out-of-Order Machine
- typelevel/spire - Powerful new number types and numeric abstractions for Scala.
- SpinalHDL/SpinalHDL - Scala based HDL
- foundweekends/giter8 - a command line tool to apply templates defined on GitHub
- fthomas/refined - Refinement types for Scala
- optics-dev/Monocle - Optics library for Scala
- japgolly/scalajs-react - Facebook's React on Scala.JS
- Philippus/elastic4s - 🔍 Elasticsearch Scala Client - Reactive, Non Blocking, Type Safe, HTTP Client
- MightyPirates/OpenComputers - Home of the OpenComputers mod for Minecraft.
- almond-sh/almond - A Scala kernel for Jupyter
- typelevel/skunk - A data access library for Scala + Postgres.
- finagle/finch - Scala combinator library for building Finagle HTTP services
- sbt/sbt-native-packager - sbt Native Packager
- ThoughtWorksInc/Binding.scala - Reactive data-binding for Scala
- GravityLabs/goose - Html Content / Article Extractor in Scala - open sourced from Gravity Labs
- combust/mleap - MLeap: Deploy ML Pipelines to Production
- pureconfig/pureconfig - A boilerplate-free library for loading configuration files
- json4s/json4s - JSON library
- pathikrit/better-files - Simple, safe and intuitive Scala I/O
- vkostyukov/scalacaster - Purely Functional Algorithms and Data Structures in Scala
- softwaremill/sttp - The Scala HTTP client you always wanted!
- scalameta/scalafmt - Code formatter for Scala
- filodb/FiloDB - Distributed Prometheus time series database
- apache/carbondata - High performance data store solution
- mesos/spark - Lightning-fast cluster computing in Java, Scala and Python.
- mauricio/postgresql-async - Async, Netty based, database drivers for PostgreSQL and MySQL written in Scala
- kamon-io/Kamon - Distributed Tracing, Metrics and Context Propagation for applications running on the JVM
- akka/alpakka-kafka - Alpakka Kafka connector - Alpakka is a Reactive Enterprise Integration library for Java and Scala, based on Reactive Streams and Akka.
- TheHive-Project/Cortex - Cortex: a Powerful Observable Analysis and Active Response Engine
- softwaremill/tapir - Rapid development of self-documenting APIs
- apache/pekko - Build highly concurrent, distributed, and resilient message-driven applications using Java/Scala
- scalapb/ScalaPB - Protocol buffer compiler for Scala.
- ACINQ/eclair - A scala implementation of the Lightning Network.
- softwaremill/macwire - Zero-cost, compile-time, type-safe dependency injection library.
- PkmX/lcamera - A camera app using the new camera2 API in Android Lollipop
- scalikejdbc/scalikejdbc - A tidy SQL-based DB access library for Scala developers. This library naturally wraps JDBC APIs and provides you easy-to-use APIs.
- lift/framework - Lift Framework
- akka/alpakka - Alpakka is a Reactive Enterprise Integration library for Java and Scala, based on Reactive Streams and Akka.
- sbt/sbt-dependency-graph - sbt plugin to create a dependency graph for your project
- twitter/rsc - Experimental Scala compiler focused on compilation speed
- JetBrains/intellij-scala - Scala plugin for IntelliJ IDEA
- scalalandio/chimney - Scala library for boilerplate-free, type-safe data transformations
- lloydmeta/enumeratum - A type-safe, reflection-free, powerful enumeration implementation for Scala with exhaustive pattern match warnings and helpful integrations.
- seveniruby/AppCrawler - 基于appium的app自动遍历工具
- lihaoyi/Metascala - A JVM written in Scala
- wavesplatform/Waves - ⛓️ Reference Waves Blockchain Node (client) implementation on Scala
- scala-steward-org/scala-steward - 🤖 A bot that helps you keep your projects up-to-date
- scalatest/scalatest - A testing tool for Scala and Java developers
- scala/scala-async - An asynchronous programming facility for Scala
- tumblr/colossus - I/O and Microservice library for Scala
- scalameta/scalameta - Library to read, analyze, transform and generate Scala programs
- com-lihaoyi/fastparse - Writing Fast Parsers Fast in Scala
- wartremover/wartremover - Flexible Scala code linting tool
- TheAlgorithms/Scala - All Algorithms implemented in Scala
- jacksu/utils4s - scala、spark使用过程中,各种测试用例以及相关资料整理
- pauljamescleary/scala-pet-store - An implementation of the java pet store using FP techniques in scala
- outworkers/phantom - Schema safe, type-safe, reactive Scala driver for Cassandra/Datastax Enterprise
- bigdatagenomics/adam - ADAM is a genomics analysis platform with specialized file formats built using Apache Avro, Apache Spark, and Apache Parquet. Apache 2 licensed.
- broadinstitute/cromwell - Scientific workflow engine designed for simplicity & scalability. Trivially transition between one off use cases to massive scale production environments
- lihaoyi/scala.rx - An experimental library for Functional Reactive Programming in Scala
- scalaj/scalaj-http - Simple scala wrapper for HttpURLConnection. OAuth included.
- spray/spray-json - A lightweight, clean and simple JSON implementation in Scala
- h2oai/sparkling-water - Sparkling Water provides H2O functionality inside Spark cluster
- ghostdogpr/caliban - Functional GraphQL library for Scala
- eaplatanios/tensorflow_scala - TensorFlow API for the Scala Programming Language
- typelevel/simulacrum - First class syntax support for type classes in Scala
- typelevel/squants - The Scala API for Quantities, Units of Measure and Dimensional Analysis
- lightbend-labs/scala-logging - Convenient and performant logging library for Scala wrapping SLF4J.
- scalacenter/bloop - Bloop is a build server and CLI tool to compile, test and run Scala fast from any editor or build tool.
- wzhe06/SparkCTR - CTR prediction model based on spark(LR, GBDT, DNN)
- ReactiveX/RxScala - RxScala – Reactive Extensions for Scala – a library for composing asynchronous and event-based programs using observable sequences
- typelevel/frameless - Expressive types for Spark.
- Antox/Antox - Android client for Project Tox - Secure Peer to Peer Messaging
- nscala-time/nscala-time - A new Scala wrapper for Joda Time based on scala-time
- spray/sbt-revolver - An SBT plugin for dangerously fast development turnaround in Scala
- ReactiveMongo/ReactiveMongo - 🍃 Non-blocking, Reactive MongoDB Driver for Scala
- scalacenter/scalafix - Refactoring and linting tool for Scala
- tminglei/slick-pg - Slick extensions for PostgreSQL
- softwaremill/quicklens - Modify deeply nested case class fields
- scala/pickling - Fast, customizable, boilerplate-free pickling support for Scala
- eligosource/eventsourced - A library for building reliable, scalable and distributed event-sourced applications in Scala
- zio/zio-http - A next-generation Scala framework for building scalable, correct, and efficient HTTP clients and servers
- mohiva/play-silhouette - Silhouette is an authentication library for Play Framework applications that supports several authentication methods, including OAuth1, OAuth2, OpenID, CAS, 2FA, TOTP, Credentials, Basic Authentication or custom authentication schemes.
- precog/matryoshka - Generalized recursion schemes and traversals for Scala.
- scodec/scodec - Scala combinator library for working with binary data
- playframework/play-slick - Slick Plugin for Play
- twitter/scrooge - A Thrift parser/generator
- etaty/rediscala - Non-blocking, Reactive Redis driver for Scala (with Sentinel support)
- sbt/sbt-jmh - "Trust no one, bench everything." - sbt plugin for JMH (Java Microbenchmark Harness)
- raquo/Laminar - Simple, expressive, and safe UI library for Scala.js
- softwaremill/magnolia - Easy, fast, transparent generic derivation of typeclass instances
- twitter-archive/ostrich - A stats collector & reporter for Scala servers (deprecated)
- plokhotnyuk/jsoniter-scala - Scala macros for compile-time generation of safe and ultra-fast JSON codecs + circe booster
- cb372/scalacache - Simple caching in Scala
- ThoughtWorksInc/DeepLearning.scala - A simple library for creating complex neural networks
- rtimush/sbt-updates - sbt plugin that can check Maven and Ivy repositories for dependency updates
- softwaremill/bootzooka - Simple project to quickly start developing a Scala-based microservice or web application, without the need to write login, user registration etc.
- gearpump/gearpump - Lightweight real-time big data streaming engine over Akka
- com-lihaoyi/scalatags - ScalaTags is a small XML/HTML construction library for Scala.
- theiterators/akka-http-microservice - Example of http (micro)service in Scala & akka-http
- LucaCanali/sparkMeasure - This is the development repository for sparkMeasure, a tool and library designed for efficient analysis and troubleshooting of Apache Spark jobs. It focuses on easing the collection and examination of Spark metrics, making it a practical choice for both developers and data engineers.
- com-lihaoyi/upickle - uPickle: a simple, fast, dependency-free JSON & Binary (MessagePack) serialization library for Scala
- skinny-framework/skinny-framework - 🚝 "Scala on Rails" - A full-stack web app framework for rapid development in Scala
- seratch/AWScala - Using AWS SDK on the Scala REPL
- com-lihaoyi/requests-scala - A Scala port of the popular Python Requests HTTP client: flexible, intuitive, and straightforward to use.
- etorreborre/specs2 - Software Specifications for Scala
- marcus-drake/sbt-docker - Create Docker images directly from sbt
- jdegoes/blueeyes - A lightweight Web 3.0 framework for Scala, featuring a purely asynchronous architecture, extremely high-performance, massive scalability, high usability, and a functional, composable design.
- vegas-viz/Vegas - The missing MatPlotLib for Scala + Spark
- miguno/kafka-storm-starter - [PROJECT IS NO LONGER MAINTAINED] Code examples that show to integrate Apache Kafka 0.8+ with Apache Storm 0.9+ and Apache Spark Streaming 1.1+, while using Apache Avro as the data serialization format.
- ruippeixotog/scala-scraper - A Scala library for scraping content from HTML pages
- sksamuel/avro4s - Avro schema generation and serialization / deserialization for Scala
- sirthias/parboiled2 - A macro-based PEG parser generator for Scala 2.10+
- com-lihaoyi/os-lib - OS-Lib is a simple, flexible, high-performance Scala interface to common OS filesystem and subprocess APIs
- unfiltered/unfiltered - A toolkit for servicing HTTP requests in Scala
- lichess-org/scalachess - Chess API written in scala. Immutable and free of side effects.
- oleg-py/better-monadic-for - Desugaring scala
for
without implicitwithFilter
s - tototoshi/scala-csv - CSV Reader/Writer for Scala
- TouK/nussknacker - Low-code tool for automating actions on real time data | Stream processing for the users.
- scallop/scallop - a simple Scala CLI parsing library
- scalafx/scalafx - ScalaFX simplifies creation of JavaFX-based user interfaces in Scala
- scalastyle/scalastyle - scalastyle
- jwt-scala/jwt-scala - JWT support for Scala. Bonus extensions for Play, Play JSON, Json4s, Circe, uPickle, Spray and Argonaut
- ochrons/scalajs-spa-tutorial - Tutorial for creating a simple Single Page Application in ScalaJS
- PurpleKingdomGames/indigo - An FP game engine for Scala.
- scala/scala-parser-combinators - simple combinator-based parsing for Scala. formerly part of the Scala standard library, now a separate community-maintained module
- shadaj/slinky - Write Scala.js React apps just like you would in ES6
- bkirwi/decline - A composable command-line parser for Scala.
- sbt/sbt-release - A release plugin for sbt
- deanwampler/programming-scala-book-code-examples - The code examples used in Programming Scala, 2nd and 3rd Editions (O'Reilly)
- testcontainers/testcontainers-scala - Docker containers for testing in scala
- suzaku-io/diode - Scala library for managing immutable application model
- wvlet/airframe - Essential Building Blocks for Scala
- getkyo/kyo - Toolkit for Scala Development
- chandu0101/sri - Build truly native cross platform (web,ios,android) apps using scalajs and react, react-native ,This project moved to new organization : https://github.com/scalajs-react-interface/sri#sri, new chat room : https://gitter.im/scalajs-react-interface/sri
- gvolpe/trading - 💱 Trading application written in Scala 3 that showcases an Event-Driven Architecture (EDA) and Functional Programming (FP)
- 7mind/izumi - Productivity-oriented collection of lightweight fancy stuff for Scala toolchain
- AbsaOSS/spline - Data Lineage Tracking And Visualization Solution
- twitter/chill - Scala extensions for the Kryo serialization library
- frees-io/freestyle - A cohesive & pragmatic framework of FP centric Scala libraries
- dehun/learn-fp - learn-by-doing course/tutorial for functional programming on scala
- scalate/scalate - Scalate is a Scala based template engine which supports HAML, Mustache and JSP, Erb and Velocity style syntaxes.
- felixgborrego/simple-docker-ui - Native Docker UI implemented using Scala.js and React - DEPRECATED
- scalatron/scalatron - Scalatron, a multi-player programming game in which coders pit bot programs (written in Scala) against each other
- VirtusLab/scala-cli - Scala CLI is a command-line tool to interact with the Scala language. It lets you compile, run, test, and package your Scala code (and more!)
- hseeberger/akka-http-json - Integrate some of the best JSON libs in Scala with Akka HTTP
- stanch/reftree - Automatically generated diagrams and animations for Scala data structures
- atnos-org/eff - Eff monad for cats - https://atnos-org.github.io/eff
- YotpoLtd/metorikku - A simplified, lightweight ETL Framework based on Apache Spark
- squeryl/squeryl - A Scala DSL for talking with databases with minimum verbosity and maximum type safety
- tpolecat/tut - doc/tutorial generator for scala
- fomkin/korolev - Single Page Applications running on the server side.
- qubole/sparklens - Qubole Sparklens tool for performance tuning Apache Spark
- kaitai-io/kaitai_struct_compiler - Kaitai Struct: compiler to translate .ksy => .cpp / .cs / .dot / .go / .java / .js / .lua / .nim / .php / .pm / .py / .rb
- scala-graph/scala-graph - Graph for Scala is intended to provide basic graph functionality seamlessly fitting into the Scala Collection Library. Like the well known members of scala.collection, Graph for Scala is an in-memory graph library aiming at editing and traversing graphs, finding cycles etc. in a user-friendly way.
- scalapy/scalapy - Use the world of Python from the comfort of Scala!
- spark-examples/spark-scala-examples - This project provides Apache Spark SQL, RDD, DataFrame and Dataset examples in Scala language
- typelevel/cats-collections - Data structures for pure functional programming in Scala
- com-lihaoyi/cask - Cask: a Scala HTTP micro-framework. Cask makes it easy to set up a website, backend server, or REST API using Scala
- playframework/twirl - Twirl is Play's default template engine
- factorie/factorie - FACTORIE is a toolkit for deployable probabilistic modeling, implemented as a software library in Scala. It provides its users with a succinct language for creating relational factor graphs, estimating parameters and performing inference.
- jsuereth/scala-arm - This project aims to be the Scala Incubator project for Automatic-Resource-Management in the scala library
- hyperledger-labs/Scorex - Scorex 2.0 Core
- argonaut-io/argonaut - Purely functional JSON parser and library in scala.
- estatico/scala-newtype - NewTypes for Scala with no runtime overhead
- scapegoat-scala/scapegoat - Scala compiler plugin for static code analysis
- gvolpe/pfps-shopping-cart - 🛒 The Shopping Cart application developed in the book "Practical FP in Scala: A hands-on approach"
- nulab/scala-oauth2-provider - OAuth 2.0 server-side implementation written in Scala
- guardrail-dev/guardrail - Principled code generation from OpenAPI specifications
- densh/scala-offheap - Experimental type-safe off-heap memory for Scala.
- wix-incubator/accord - Accord: A sane validation library for Scala
- ScalaMock/ScalaMock - Native Scala mocking framework
- outr/scribe - The fastest logging library in the world. Built from scratch in Scala and programmatically configurable.
- com-lihaoyi/sourcecode - Scala library providing "source" metadata to your program, similar to Python's name, C++'s LINE or Ruby's FILE.
- Stratio/sparta - Real Time Analytics and Data Pipelines based on Spark Streaming
- scala-ide/scalariform - Scala source code formatter
- scalameter/scalameter - Microbenchmarking and performance regression testing framework for the JVM platform.
- markwinter/Antox - Scala android client for Project Tox - secure p2p messaging
- Iltotore/iron - Strong type constraints for Scala
- FasterXML/jackson-module-scala - Add-on module for Jackson (https://github.com/FasterXML/jackson) to support Scala-specific datatypes
- scala-ide/scala-ide - Scala IDE for Eclipse
- xebia-functional/fetch - Simple & Efficient data access for Scala and Scala.js
- xerial/sbt-pack - A sbt plugin for creating distributable Scala packages.
- com-lihaoyi/utest - A simple testing framework for Scala
- cvogt/cbt - CBT - fun, fast, intuitive, compositional, statically checked builds written in Scala
- nightscape/spark-excel - A Spark plugin for reading and writing Excel files
- fosskers/scalaz-and-cats - Usage examples and benchmarks between Scalaz and Cats (w/ Haskell ground-truth).
- rockymadden/stringmetric - 🎯 String metrics and phonetic algorithms for Scala (e.g. Dice/Sorensen, Hamming, Jaccard, Jaro, Jaro-Winkler, Levenshtein, Metaphone, N-Gram, NYSIIS, Overlap, Ratcliff/Obershelp, Refined NYSIIS, Refined Soundex, Soundex, Weighted Levenshtein).
- NICTA/scoobi - A Scala productivity framework for Hadoop.
- build-server-protocol/build-server-protocol - Protocol for IDEs and build tools to communicate about compile, run, test, debug and more.
- mpollmeier/gremlin-scala - [unmaintained] Scala wrapper for Apache TinkerPop 3 Graph DSL
- foundweekends/conscript - Scala at your command
- jberkel/android-plugin - An sbt plugin for Android development in Scala
- akka-js/akka.js - Akka, for Scala.js
- dlwh/epic - Archived Epic is a high performance statistical parser written in Scala, along with a framework for building complex structured prediction models.
- outwatch/outwatch - The Functional and Reactive Web-Frontend Library for Scala.js
- lightbend-labs/mima - A tool for catching binary incompatibility in Scala
- spotify/featran - A Scala feature transformation library for data science and machine learning
- slouc/concurrency-in-scala-with-ce - Introduction to concepts of asynchronous and concurrent programming in Scala, based on the Cats Effect library.
- zio/zio-prelude - A lightweight, distinctly Scala take on functional abstractions, with tight ZIO integration
- UdashFramework/udash-core - Scala framework for building beautiful and maintainable web applications.
- Eliah-Lakhin/papa-carlo - Constructor of incremental parsers in Scala
- spirom/LearningSpark - Scala examples for learning to use Spark
- xitrum-framework/xitrum - Async and clustered Scala web framework and HTTP(S) server
- scalameta/munit - Scala testing library with actionable errors and extensible APIs
- softwaremill/akka-http-session - Web & mobile client-side akka-http sessions, with optional JWT support
- scala/scala-java8-compat - A Java 8 (and up) compatibility kit for Scala.
- scalacenter/scastie - An interactive playground for Scala
- typelevel/jawn - Jawn is for parsing jay-sawn (JSON)
- stripe/rainier - Bayesian inference in Scala.
- pathikrit/scalgos - algorithms in scala
- typelevel/Laika - Site and E-book Generator and Customizable Text Markup Transformer for sbt, Scala and Scala.js
- LEGO/woof - A pure Scala 3 logging library with no reflection
- whisklabs/docker-it-scala - Docker integration testing kit with Scala
- akka/akka-grpc - A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted environments.
- scoverage/scalac-scoverage-plugin - Scoverage Scala Code Coverage Core Libs
- vmunier/play-scalajs.g8 - Giter8 template to get started with Play and Scala.js.
- softwaremill/ox - Safe direct-style concurrency and resiliency for Scala on the JVM
- erikvanoosten/metrics-scala - The scala API for Dropwizard's Metrics.
- dispatch/reboot - Scala wrapper for the Java AsyncHttpClient.
- mbonaci/scala - Scala reference (as seen by Java developer)
- arainko/ducktape - Automatic and customizable compile time transformations between similar case classes and sealed traits/enums, essentially a thing that glues your code. Scala 3 only. Or is it duct 🤔
- zio/zio-json - Fast, secure JSON library with tight ZIO integration.
- bot4s/telegram - Telegram Bot API Wrapper for Scala
- scalawithcats/scala-with-cats - Source code for Scala with Cats
- devsisters/shardcake - Sharding and location transparency for Scala
- ReactiveMongo/Play-ReactiveMongo - 🍃 ReactiveMongo plugin for Playframework
- propensive/fury-old - A new build tool for JVM languages
- endpoints4s/endpoints4s - Describe HTTP endpoints in Scala and derive clients, servers, and documentation
- vlovgr/ciris - Functional Configurations for Scala
- iheartradio/play-swagger - Swagger spec generator for play framework
- streaming-with-flink/examples-scala - Stream Processing with Apache Flink - Scala Examples
- xerial/larray - Large off-heap arrays and mmap files for Scala and Java
- scalameta/mdoc - Typechecked markdown documentation for Scala
- getnelson/nelson - Automated, multi-region container deployment
- typelevel/sbt-tpolecat - scalac options for the enlightened
- marconilanna/REPLesent - A neat little tool to build presentations using the Scala REPL
- stripe-archive/brushfire - Distributed decision tree ensemble learning in Scala
- higherkindness/droste - recursion schemes for cats; to iterate is human, to recurse, divine
- dickwall/subcut - Scala Uniquely Bound Classes Under Traits
- lemastero/scala_typeclassopedia - Abstractions from Category theory with simple description & implementation, links to further resources.
- matthiasn/sse-chat - Chat example app using Server Sent Events plus REST calls. Scala, Play Framework 2.3, AngularJS or React (alternatively).
- lihaoyi/autowire - Macros for simple/safe RPCs between Scala applications, including ScalaJS/ScalaJVM
- typelevel/algebra - Experimental project to lay out basic algebra type classes
- alexandrnikitin/bloom-filter-scala - Bloom filter for Scala, the fastest for JVM
- tensil-ai/tensil - Open source machine learning accelerators
- PurpleKingdomGames/tyrian - Elm-inspired Scala UI library.
- typelevel/mouse - A small companion to cats
- epfl-lara/stainless - Verification framework and tool for higher-order Scala programs
- tek/splain - better implicit errors for scala
- disneystreaming/smithy4s - https://disneystreaming.github.io/smithy4s/
- scala/legacy-svn-scala - OBSOLETE, we're over there:
- bitcoin-s/bitcoin-s - Bitcoin Implementation in Scala
- playframework/play-json - The Play JSON library
- tpolecat/atto - friendly little parsers
- softwaremill/retry - because you should never give up, at least not on the first try
- mockito/mockito-scala - Mockito for Scala language
- groupon/sparklint - A tool for monitoring and tuning Spark jobs for efficiency.
- profunktor/redis4cats - 🔖 Redis client built on top of Cats Effect, Fs2 and Lettuce
- cakesolutions/scala-kafka-client - Scala helper modules for operating the Apache Kafka client library (0.9.x - 2.1.0)
- jmcardon/tsec - Type-safe general-cryptography library - https://jmcardon.github.io/tsec/
- nrinaudo/kantan.csv - CSV handling library for Scala
- twitter/scala_school2 - Scala School 2
- softwaremill/diffx - Pretty diffs for scala case classes
- jrudolph/pekko-http-scala-js-websocket-chat - An example app that integrates pekko-http and scala-js to implement a websocket chat
- bytedeco/javacv-examples - Examples of using JavaCV / OpenCV library on Java Virtual Machine
- Baeldung/scala-tutorials - Supporting code for the tutorials on https://www.baeldung.com/scala
- spotify/ratatool - A tool for data sampling, data generation, and data diffing
- ing-bank/baker - Orchestrate microservice-based process flows
- sbt/zinc - Scala incremental compiler library, used by sbt and other build tools
- rockthejvm/scala-2-beginners - The official repository for the Rock the JVM Scala 2 for beginners course
- japgolly/scalacss - Super type-safe CSS for Scala and Scala.JS.
- opencypher/morpheus - Morpheus brings the leading graph query language, Cypher, onto the leading distributed processing platform, Spark.
- eed3si9n/scalaxb - scalaxb is an XML data binding tool for Scala.
- creativescala/doodle - Compositional vector graphics in Scala / Scala.JS
- xerial/sbt-sonatype - A sbt plugin for publishing Scala/Java projects to the Maven central.
- softwaremill/kmq - Kafka-based message queue
- scala/scala3-example-project - An example sbt project that compiles using Dotty
- psliwa/idea-composer-plugin - PhpStorm plugin that adds code completion in composer.json file
- typelevel/natchez - functional tracing for cats
- fun-cqrs/fun-cqrs - Fun.CQRS is a Scala CQRS/ES framework. It provides the basic blocks to build event driven aggregates with Event Sourcing.
- typelevel/discipline - Flexible law checking for Scala
- higherkindness/mu-scala - Mu is a purely functional library for building RPC endpoint based services with support for RPC and HTTP/2
- elodina/scala-kafka - Quick up and running using Scala for Apache Kafka
- doriordan/skuber - A Scala Kubernetes client library
- fulcrumgenomics/fgbio - Tools for working with genomic and high throughput sequencing data.
- thatdot/quine - Quine • a streaming graph • https://quine.io • Discord: https://discord.gg/GMhd8TE4MR
- notxcain/aecor - Pure functional event sourcing runtime
- scala-js/scala-js-dom - Statically typed DOM API for Scala.js
- mattpap/IScala - Scala backend for IPython
- aselab/scala-activerecord - ActiveRecord-like ORM library for Scala
- typelevel/cats-tagless - Library of utilities for tagless final encoded algebras
- scanamo/scanamo - Simpler DynamoDB access for Scala
- gnieh/diffson - A scala diff/patch library for Json
- valskalla/odin - Fast & Functional logger in Scala
- scalikejdbc/scalikejdbc-async - ScalikeJDBC Extension: Non-blocking APIs in the JDBC way
- riy/degraph - Test and Visualize and Manage Dependencies of classes and packages in JVM Byte Code (think Scala and Java)
- softwaremill/scala-clippy - Good advice for Scala compiler errors
- peregin/gps-overlay-on-video - Telemetry (GPS) data overlay on videos
- akka/akka-persistence-jdbc - Asynchronously writes journal and snapshot entries to configured JDBC databases so that Akka Actors can recover state
- brikis98/ping-play - BigPipe streaming for the Play Framework
- lemonlabsuk/scala-uri - Simple scala library for building and parsing URIs
- scala/scala-xml - The standard Scala XML library
- typesafehub/zinc - ⛔️ [DEPRECATED] sbt's scala incremental compiler
- khipu-io/khipu - An enterprise blockchain platform based on Ethereum
- scalala/Scalala - Scalala has been superseded by dlwh/breeze. Scalala is a high performance numeric linear algebra library for Scala, with rich Matlab-like operators on vectors and matrices; a library of numerical routines; support for plotting.
- alexarchambault/case-app - Type-level & seamless command-line argument parsing for Scala
- fwbrasil/activate - Abandoned: Pluggable persistence in Scala
- aws/sagemaker-spark - A Spark library for Amazon SageMaker.
- garyaiki/Scala-Algorithms - Scala translations of Robert Sedgewick's Java Algorthms
- fthomas/crjdt - A conflict-free replicated JSON datatype (CRDT) in Scala
- fd4s/fs2-kafka - Functional Kafka Streams for Scala
- simerplaha/SwayDB - Persistent and in-memory key-value storage engine for JVM that scales on a single machine.
- manub/scalatest-embedded-kafka - A library that provides an in-memory Kafka instance to run your tests against.
- dispatch/classic - [UNSUPPORTED] Dispatch Classic. See dispatch/reboot for the modern Dispatch for Scala 2.11/2.12
- spotify/big-data-rosetta-code - Code snippets for solving common big data problems in various platforms. Inspired by Rosetta Code
- lihaoyi/Scalatex - Programmable, Typesafe Document Generation
- jonifreeman/sqltyped - Embedding SQL as an external DSL into Scala
- scaldi/scaldi - Lightweight Scala Dependency Injection Library
- scala-hamsters/hamsters - A mini Scala utility library
- rockthejvm/scala-at-light-speed - The repository for the free Scala at Light Speed mini-course
- mjakubowski84/parquet4s - Read and write Parquet in Scala. Use Scala classes as schema. No need to start a cluster.
- softwaremill/supler - Rapid Form Development library. Use your favourite JS frontend & Scala backend frameworks.
- scala-labs/scala-labs - A collection of hands-on programming exercises aimed at teaching you to program in Scala
- BlueBrain/nexus - Blue Brain Nexus - A knowledge graph for data-driven science
- mongodb/mongo-scala-driver - Former repository of MongoDB Scala driver. Official Scala driver can now be found here: https://github.com/mongodb/mongo-java-driver
- krasserm/streamz - A combinator library for integrating Functional Streams for Scala (FS2), Akka Streams and Apache Camel
- monadless/monadless - Syntactic sugar for monad composition in Scala
- codahale/jerkson - [ABANDONED] The Scala applewood bacon to Jackson's chicken breast: JSON cordon bleu.
- swagger-akka-http/swagger-akka-http - Support for generating Swagger REST API documentation for Akka-Http based services.
- scalaprops/scalaprops - property based testing library for Scala
- typelevel/CT_from_Programmers.scala - Scala sample code for Bartosz Milewski's CT for Programmers
- kyleu/boilerplay - Using the latest technology in the Scala ecosystem, Boilerplay is a reactive web application built on Play Framework, ScalaJS, Silhouette, Sangria/GraphQL, and PostgreSQL. It provides a good starting point for whatever you want to build.
- hbase-rdd/hbase-rdd - Spark RDD to read, write and delete from HBase
- lampepfl/gears - A strawman for a low-level async library in Scala 3.
- scala/scala-dist - sbt project that packages the Scala 2 distribution
- zio-archive/zio-actors - A high-performance, purely-functional library for building, composing, and supervising typed actors based on ZIO
- rockthejvm/spark-essentials - The official repository for the Rock the JVM Spark Essentials with Scala course
- albuch/sbt-dependency-check - SBT Plugin for OWASP DependencyCheck. Monitor your dependencies and report if there are any publicly known vulnerabilities (e.g. CVEs). 🌈
- HairyFotr/linter - Static Analysis Compiler Plugin for Scala
- non/debox - Fast, deboxed, specialized data structures for Scala
- kailuowang/henkan - A small library for converting between case classes.
- Tenchi2xh/Scurses - Scurses, terminal drawing API for Scala, and Onions, a Scurses framework for easy terminal UI
- makenowjust-labs/recheck - The trustworthy ReDoS checker
- jorgeortiz85/scala-time - A Scala wrapper for Joda Time
- blemale/scaffeine - Thin Scala wrapper for Caffeine (https://github.com/ben-manes/caffeine)
- scalad/LayIM - 基于HTML5 WebSocket的一款IM即时通讯软件,使用Gradle集成了Scala、SpringBoot、Spring MVC、Mybatis、Redis等,前端使用了LayIm框架
- hedgehogqa/scala-hedgehog - Release with confidence, state-of-the-art property testing for Scala.
- playforscala/sample-applications - Sample applications that go with the book Play for Scala
- NET-A-PORTER/scala-uri - Simple scala library for building and parsing URIs
- MAIF/otoroshi - Lightweight api management on top of a modern http reverse proxy
- Chymyst/curryhoward - Automatic code generation for Scala functions and expressions via the Curry-Howard isomorphism
- ThoughtWorksInc/each - A macro library that converts native imperative syntax to scalaz's monadic expressions
- sbt/sbt-scalariform - sbt plugin adding support for source code formatting using Scalariform
- ctongfei/nexus - Experimental tensor-typed deep learning
- DanielaSfregola/twitter4s - An asynchronous non-blocking Scala client for both the Twitter Rest and Streaming API
- raquo/Airstream - State propagation and event streams with mandatory ownership and no glitches
- mashupbots/socko - A Scala web server powered by Netty networking and AKKA processing.
- ThoughtWorksInc/Dsl.scala - A framework to create embedded Domain-Specific Languages in Scala
- scalameta/sbt-native-image - Plugin to generate native-image binaries with sbt
- potigol/potigol - Linguagem Potigol - Linguagem de programação funcional moderna para iniciantes - A Functional Programming Language for Beginners
- ghik/silencer - Scala compiler plugin for warning suppression
- foursquare/fsqio - A monorepo that holds all of Foursquare's opensource projects
- scala-ts/scala-ts - 🔧 Scala datamodel transpiler
- greencatsoft/scalajs-angular - AngularJS Binding for Scala.js
- propensive/contextual - Statically-checked string interpolation in Scala
- nbronson/scala-stm - A library-based Software Transactional Memory (STM) for Scala, coupled with transactional sets and maps
- com-lihaoyi/acyclic - Acyclic is a Scala compiler plugin to let you prohibit circular dependencies between files
- playframework/play-mailer - Play mailer plugin
- nativelibs4java/ScalaCL - ScalaCL - run Scala on your GPU!
- velvia/ScalaStorm - Harness the power and elegance of Scala with nathanmarz's Storm real-time system
- d2iq-archive/chaos - A lightweight framework for writing REST services in Scala.
- fogus/baysick - An embedded Insane-specific Language for Scala implementing the BASIC programming language
- AugustNagro/magnum - A 'new look' for database access in Scala
- twitter-archive/cassie - A Scala client for Cassandra
- paypal/gimel - Big Data Processing Framework - Unified Data API or SQL on Any Storage
- jrudolph/json-lenses - A library to query and update JSON data in Scala.
- jaceklaskowski/scalania - Learn Scala by examples
- playframework/anorm - The Anorm database library
- cibotech/evilplot - A Scala combinator-based plotting library.
- portable-scala/sbt-crossproject - Cross-platform compilation support for sbt.
- altoo-ag/akka-kryo-serialization - Kryo-based serialization for Akka
- traneio/arrows - High-performance Arrow and Task in Scala
- theiterators/reactive-microservices - Project showcasing different microservice communication styles using Scala, Akka, Play and other tools from Scala ecosystem
- linkedin/isolation-forest - A distributed Spark/Scala implementation of the isolation forest algorithm for unsupervised outlier detection, featuring support for scalable training and ONNX export for easy cross-platform inference.
- alexarchambault/scalacheck-shapeless - Generation of arbitrary case classes / ADTs instances with scalacheck and shapeless
- zio/zio-config - Easily use and document any config from anywhere in ZIO apps
- zalando/grafter - Grafter is a library to configure and wire Scala applications
- zio-archive/zio-sql - Type-safe, composable SQL for ZIO applications
- tindzk/seed - Build tool for Scala projects
- lihaoyi/workbench - Tooling around scala-js
- com-lihaoyi/PPrint - Pretty-printing value, types and type-signatures in Scala
- scalacenter/scala-3-migration-guide - The Scala 3 migration guide for everyone.
- Azure/azure-event-hubs-spark - Enabling Continuous Data Processing with Apache Spark and Azure Event Hubs
- sorm/sorm - A functional boilerplate-free Scala ORM
- codeport/scala - LascoDan(Korea Scala Group) scala study
- SpinGo/op-rabbit - The Opinionated RabbitMQ Library for Scala and Akka
- sjrd/scala-js-ts-importer - TypeScript Importer for Scala.js
- sirthias/scala-ssh - Remote shell access via SSH for your Scala applications
- sirthias/borer - Efficient CBOR and JSON (de)serialization in Scala
- sbt/sbt-fresh - sbt-plugin to create an opinionated fresh sbt project
- chrisokasaki/scads - Scala Algorithms and Data Structures
- VladKopanev/zio-saga - Purely Functional Transaction Management In Scala With ZIO
- input-output-hk/mantis - A Scala based client for Ethereum-like Blockchains.
- CleverCloud/pulsar4s - Idiomatic, typesafe, and reactive Scala client for Apache Pulsar
- scala/scala-abide - obsolete; visit https://github.com/scalacenter/scalafix instead
- com-lihaoyi/fansi - Scala/Scala.js library for manipulating Fancy Ansi colored strings
- ShellRechargeSolutionsEU/akka-rabbitmq - RabbitMq client in Scala and Akka actors
- ScalablyTyped/Converter - Typescript to Scala.js converter
- agourlay/cornichon - Testing tool in Scala for HTTP JSON API
- 47degrees/github4s - A GitHub API wrapper written in Scala
- OlivierBlanvillain/monadic-html - Tiny DOM binding library for Scala.js
- Qbeast-io/qbeast-spark - Qbeast-spark: DataSource enabling multi-dimensional indexing and efficient data sampling. Big Data, free from the unnecessary!
- debasishg/sjson - Scala Json with capabilities for Scala Object Serialization
- playframework/play-ws - Standalone Play WS, an async HTTP client with fluent API
- Comcast/ip4s - Defines immutable, safe data structures for describing IP addresses, multicast joins, socket addresses and similar IP & network related data types
- alexarchambault/plotly-scala - Scala bindings for plotly.js
- G-Research/spark-extension - A library that provides useful extensions to Apache Spark and PySpark.
- dmurvihill/courier - send electronic mail with scala
- FaKod/neo4j-scala - Scala wrapper for Neo4j Graph Database
- SandroGrzicic/ScalaBuff - the scala protocol buffers (protobuf) compiler
- nativelibs4java/Scalaxy - Compiler plugin goodies for Scala (continuation of non-OpenCL part of ScalaCL)
- zio/zio-intellij - A companion IntelliJ IDEA plugin for the ZIO library ecosystem.
- timowest/scalagen - Java to Scala transformation
- scala/scala-parallel-collections - Parallel collections standard library module for Scala 2.13+
- zio/zio-protoquill - Quill for Scala 3
- kitlangton/neotype - A friendly newtype library for Scala 3
- oyvindberg/tui-scala - Beautiful Text-based User Interfaces for Scala
- com-lihaoyi/scalasql - Scala ORM to query SQL databases from Scala via concise, type-safe, and familiar case classes and collection operations. Connects to Postgres, MySql, H2, and Sqlite out of the box
- spray/twirl - The Play framework Scala template engine, stand-alone and packaged as an SBT plugin
- concurrent-programming-in-scala/learning-examples - Code examples for the book Learning Concurrent Programming in Scala
- scalameta/sbt-scalafmt - sbt plugin for Scalafmt
- pablosmedina/ckite - CKite - A JVM implementation of the Raft distributed consensus algorithm written in Scala
- runarorama/scala-machines - A stream processing library for Scala
- playframework/play-scala-rest-api-example - Example Play Scala application showing REST API
- PagerDuty/scheduler - A Scala library for scheduling arbitrary code to run at an arbitrary time.
- outr/youi - Next generation user interface and application development in Scala and Scala.js for web, mobile, and desktop.
- cequence-io/openai-scala-client - Scala client for OpenAI API and other major LLM providers
- TomasMikula/libretto - Declarative concurrency and stream processing library for Scala
- creativescala/creative-scala - Quick, graphical, fun introduction to programming in Scala.
- daizikaikou/learningSpark - 学习spark写的scala代码,工具使用的是IDEA2017.1.6,欢迎star
- Bayer-Group/cloudformation-template-generator - A type-safe Scala DSL for generating CloudFormation templates
- scala/scala-collection-compat - makes some Scala 2.13 APIs (primarily collections, also some others) available on 2.11 and 2.12, to aid cross-building
- scalacenter/scaladex - The Scala Package Index
- lihaoyi/workbench-example-app - An example application written in ScalaJS using scala-js-dom and scala-js-workbench
- lunatech-labs/lunatech-scala2-to-scala3-course - Lunatech course - "Moving forward from Scala 2 to Scala 3"
- danielkorzekwa/bayes-scala - Bayesian Networks in Scala
- boundary/scalang - Scalang is a scala wrapper that makes it easy to write services that interface with erlang.
- nau/jscala - Scala macro that produces JavaScript from Scala code.
- debasishg/scala-redis-nb - Implementation of a non blocking Redis client in Scala using Akka IO
- julianpeeters/avrohugger - Generate Scala case class definitions from Avro schemas
- josephguan/scala-design-patterns - Design patterns implemented in Scala.
- input-output-hk/scrypto - Cryptographic primitives for Scala
- heathermiller/progfun-stats - Visualize statistics from the MOOC "Functional Programming Principles in Scala" using Scala!
- asdud/Bigdata_project - 电商大数据项目-推荐系统(java和scala语言)
- tailhq/DynaML - Scala Library/REPL for Machine Learning Research
- stryker-mutator/stryker4s - Mutation testing for Scala
- ShellRechargeSolutionsEU/ocpp - Open Charge Point Protocol
- Verizon/quiver - A reasonable library for modeling multi-graphs in Scala
- ThoughtWorksInc/Compute.scala - Scientific computing with N-dimensional arrays
- rssh/scala-gopher - Implementation of CSP constructions (Communication Sequence Process, i.e. go-like channels) in scala
- opensourceteams/spark-scala-maven-2.4.0 - Spark2.4.0 学习笔记分享
- epfldata/squid - Squid – type-safe metaprogramming and compilation framework for Scala
- cloudify/sPDF - Create PDFs from Scala using plain old HTML and CSS. Uses wkhtmltopdf on the back-end which renders HTML using Webkit.
- avast/scala-server-toolkit - Functional programming toolkit for building server applications in Scala.
- zio-archive/zio-keeper - A ZIO library for building distributed systems
- spirom/spark-streaming-with-kafka - Self-contained examples of Apache Spark streaming integrated with Apache Kafka.
- scala/collection-strawman - Implementation of the new Scala 2.13 Collections
- gvolpe/pfps-examples - 🏮 Standalone examples shown in the book "Practical FP in Scala: A hands-on approach"
- djspiewak/parseback - A Scala implementation of parsing with derivatives
- zalando-incubator/remora - Kafka consumer lag-checking application for monitoring, written in Scala and Akka HTTP; a wrap around the Kafka consumer group command. Integrations with Cloudwatch and Datadog. Authentication recently added
- typelevel/shapeless-3 - Generic programming for Scala
- MAIF/izanami - Izanami is a centralized versatile feature flag solution, well suited for micro service architectures.
- kenbot/goggles - Pleasant, yet principled Scala optics DSL
- com-lihaoyi/mainargs - A small, convenient, dependency-free library for command-line argument parsing in Scala
- vmunier/sbt-web-scalajs - SBT plugin to use Scala.js along with any sbt-web server.
- SidneyXu/AndroidDemoIn4Languages - Comparison among Java, Groovy, Scala, Kotlin in Android Development.
- playframework/play-scala-websocket-example - Example Play Scala application showing WebSocket use with Akka actors
- pathikrit/metarest - Scala macros to generate RESTful Models
- Algomancer/Full-Stack-Scala-Starter - Play 2.5, ScalaJS, Binding.scala starter project.
- japgolly/scala-graal - Make usage of Graal features easy and safe from Scala. Also features Scala-based React SSR.
- j-mie6/parsley - A fast and modern parser combinator library for Scala
- jto/validation - validation api extracted from play
- nivanov/cosplay - 🕹 2D ASCII Game Engine for Scala3
- liancheng/scalafix-organize-imports - A CI-friendly Scalafix semantic rule for organizing imports
- lightbend/kafka-streams-scala - Thin Scala wrapper around Kafka Streams Java API
- zio-archive/zio-nio - A small, unopinionated ZIO interface to NIO.
- typelevel/cats-effect-testing - Integration between cats-effect and test frameworks
- DanielaSfregola/random-data-generator - Random generator of test data in Scala based on Scalacheck and Shapeless
- typelevel/paiges - an implementation of Wadler's a prettier printer
- trace4cats/trace4cats - Distributed app tracing implementation in pure scala using cats-effect
- stevej/scala-json - Scala JSON toolkit. Originally from the Odersky "Stairway" Book, tightened up and tests added by Twitter, Inc.
- slack-scala-client/slack-scala-client - A scala library for interacting with the slack api and real time messaging interface
- pniederw/expecty - Power assertions (as known from Groovy and Spock) for the Scala language.
- eryk/squant - SQuant是使用scala语言编写的量化开发工具箱,提供开箱即用的A股股票数据和外汇数据(docker镜像),以及高效的回测框架与交易模块。方便Java/Scala爱好者进行量化投资研究。 QQ群:281599099,微信公众号:Python量化交易实战。对,我已经转python了。。。
- lastland/scala-forklift - Type-safe data migration tool for Slick, Git and beyond.
- jpzk/mockedstreams - Scala DSL for Unit-Testing Processing Topologies in Kafka Streams
- jaspervz/todo-http4s-doobie - A sample project of a microservice using http4s, doobie, and circe.
- ceedubs/ficus - Scala-friendly companion to Typesafe config - moved to https://github.com/iheartradio/ficus
- swoop-inc/spark-alchemy - Collection of open-source Spark tools & frameworks that have made the data engineering and data science teams at Swoop highly productive
- Nycto/Hasher - A small Scala library for easily generating hashes (md5, sha1, sha256, sha512, crc32, bcrypt, hmacs, pbkdf2)
- kubukoz/sup - Composable, purely functional healthchecks in Scala.
- japgolly/nyaya - Random Data Generation and/or Property Testing in Scala & Scala.JS.
- hrj/abandon - 😌 Simple and Robust Accounting
- eligosource/eventsourced-example - A Scala web application demonstrating event-sourcing best practices
- dotty-cps-async/dotty-cps-async - experimental CPS transformer for dotty
- xebia-functional/nine-cards-v2 - An Open Source Android Launcher built with Scala on Android
- typelevel/otel4s - An OpenTelemetry library for Scala based on Cats-Effect
- sbt-doctest/sbt-doctest - Doctest for scala
- mpilquist/Structures - Functional type classes for Scala
- Verizon/knobs - A reasonable configuration library for Scala
- travisbrown/iteratee - Iteratees for Cats
- Philippus/sbt-dotenv - ⏺️ Dotenv implementation for Scala sbt builds. Configures environment for local development.
- jvican/dijon - A Dynamically Typed Scala Json Library
- wiringbits/scala-webapp-template - A pragmatic skeleton to build web applications in Scala/Scala.js, including user registration, login, admin portal, and, deployments
- norbert-radyk/spoiwo - Scala POI Wrapper for the spreadsheet generation in Excel:
- mDialog/smoke - Simple, asynchronous HTTP using Scala.
- lamdor/scala-koans - The Scala Koans
- SETL-Framework/setl - A simple Spark-powered ETL framework that just works 🍺
- zio/zio-logging - Powerful logging for ZIO 2.0 applications, with compatibility with many logging backends out-of-the-box.
- SystemFw/upperbound - A purely functional rate limiter
- monix/minitest - The super light testing library for Scala and Scala.js
- ilya-klyuchnikov/tapl-scala - Code from the book "Types and Programming Languages" in Scala
- augustjune/canoe - Functional Telegram Bot API for Scala
- atware/scuruto - An internal knowledge sharing app
- typesafehub/scalalogging - Convenient and performant logging in Scala
- Tapad/sbt-docker-compose - Integrates Docker Compose functionality into sbt (archived as unmaintained)
- makingthematrix/scalaonandroid - A tutorial and examples of how to write Android apps in Scala 2.13 and Scala 3.
- frees-io/iota - Fast [co]product types with a clean syntax. For Cats & Scalaz.
- bizzabo/diff - Visually compare Scala data structures with out of the box support for arbitrary case classes.
- bizreach-inc/play2-hands-on - Play2 + Slick / ScalikeJDBCを使ってWebアプリケーションを作成するハンズオンです。
- vinta/albedo - A recommender system for discovering GitHub repos, built with Apache Spark
- qifun/stateless-future - Asynchronous programming in fully featured Scala syntax.
- lightbend-labs/jardiff - A tool for comparing JAR files, including method bodies and Scala 2 pickled signatures
- jdegoes/functional-scala - The repository for the Functional Scala workshop.
- harrah/browse - A Scala source code browser
- typelevel/sbt-typelevel - Let sbt work for you.
- pelotom/effectful - A syntax for type-safe effectful computations in Scala
- leobenkel/ZparkIO - Boiler plate framework to use Spark and ZIO together.
- aztek/scala-workflow - Boilerplate-free syntax for computations with effects
- sbt/sbt-site - Site generation for sbt
- pepegar/hammock - Purely functional HTTP client
- axel22/Ctries - Scala implementation of the Ctrie datastructure.
- spotify/magnolify - A collection of Magnolia add-on modules
- sirthias/swave - A lightweight Reactive Streams Infrastructure Toolkit for Scala.
- scala-blitz/scala-blitz - Scala framework for efficient sequential and data-parallel collections -
- sbt/sbt-protobuf - sbt plugin for compiling protobuf files
- Log4s/log4s - High-performance SLF4J wrapper for Scala.
- linkedin/LiFT - The LinkedIn Fairness Toolkit (LiFT) is a Scala/Spark library that enables the measurement of fairness in large scale machine learning workflows.
- sentenza/PureCSV - A type-safe and boilerplate-free CSV library for Scala
- ReactivePlatform/Pragmatic-Scala - Pragmatic Scala 中文版——《Scala实用指南》代码清单(包含 SBT 版本(切到sbt分支))
- folone/poi.scala - Excel meets scalaz
- djspiewak/anti-xml - The scala.xml library has some very annoying issues. Time for a clean-room replacement!
- pbassiner/sbt-multi-project-example - sbt multi-project example
- neotypes/neotypes - Scala lightweight, type-safe, asynchronous driver for neo4j
- Ichoran/thyme - Thyme is a microbenchmark utility for Scala. It includes Parsley, a (simple) local profiling tool.
- fwbrasil/bond - Type-level validation for Scala
- rjagerman/glint - Glint: High performance scala parameter server
- pathikrit/sauron - Yet another Scala lens macro
- sjrd/scala-js-example-app - Example application built with Scala.js
- propensive/kaleidoscope - Statically-checked inline matching on regular expressions in Scala
- alephium/alephium - Reference client for Alephium protocol
- kxbmap/configs - Scala wrapper for Typesafe config
- KarelCemus/play-redis - Play framework 2 cache plugin as an adapter to redis-server
- oyvindberg/bleep - A bleeping fast scala build tool!
- mariussoutier/PlayBasics - Example code for my tutorial series about Play Framework 2.x
- zio-archive/zio-akka-cluster - ZIO wrapper for Akka Cluster
- underscoreio/slickless - Support for shapeless HLists/Generics in Slick.
- storm-enroute/coroutines - Scala coroutines implementation.
- scalajs-io/nodejs - This project provides Scala.js type-safe bindings for Node.js (current) v8.7.0 and LTS v6.11.4 APIs. The platform supports MEAN (MongoDB, Express, AngularJs, NodeJS), Cassandra, MySQL and many other npm projects.
- scala-exercises/exercises-scalatutorial - Exercises for the "Functional Programming Principles in Scala", part of the FP in Scala specialized program by EPFL.
- RazorSh4rk/random-word-api - Simple scala rest api that serves random words
- oleg-py/meow-mtl - Next Level MTL for Scala
- jdegoes/lambdaconf-2014-introgame - Online material for the Introduction to Functional Game Programming with Scala workshop.
- inca/circumflex - [UNMAINTAINED] Circumflex — lightweight Scala-based Web application framework and ORM
- fthomas/singleton-ops - Operations for primitive and String singleton types
- chandu0101/scalajs-react-components - Reusable scalajs-react components
- scala-exercises/exercises-stdlib - Scala Exercises' lessons for the standard library
- rockthejvm/scala-2-advanced - The Scala 2 version (old) of the Advanced Scala course
- sstone/amqp-client - [THIS PROJECT HAS BEEN ARCHIVED AND IS NO LONGER MAINTAINED] Simple fault-tolerant AMQP client written in Scala and based on Akka and the RabbitMQ java client
- tpunder/fm-sbt-s3-resolver - SBT Plugin that adds support for resolving and publishing using Amazon S3
- lucidsoftware/relate - Performant database access in Scala
- scala-records/scala-records - Labeled records for Scala based on structural refinement types and macros.
- pheymann/typedapi - Build your web API on the type level.
- lichess-org/lila-ws - Lichess' websocket server
- justin-db/JustinDB - ⚛️ JustinDB is a highly available globally distributed key-value data store.
- Chymyst/chymyst-core - Declarative concurrency in Scala - The implementation of the chemical machine
- miciek/grokkingfp-examples - All examples and exercises from the Grokking Functional Programming book
- zio/zio-direct - Direct-Style Programming for ZIO
- ucsc-vama/essent - high-performance RTL simulator
- theiterators/kebs - Scala library to eliminate boilerplate
- svroonland/rezilience - ZIO-native utilities for making resilient distributed systems
- maxpumperla/ScalphaGoZero - An independent implementation of DeepMind's AlphaGoZero in Scala, using Deeplearning4J (DL4J)
- delorum/scage - game engine written in Scala
- scala/scala-seed.g8 - Giter8 template for a simple hello world app in Scala.
- regb/scala-game-library - Scala library for cross-platform 2D game development
- gkossakowski/kentuckymule - Limits of Scala typechecking speed
- playframework/play-scala-isolated-slick-example - Example Play Slick Project
- spray/spray-can - A low-overhead, high-performance, fully async HTTP 1.1 server and client library implemented entirely in Scala on top of Akka
- zio/zio-query - Add efficient pipelining, batching, and caching to any data source
- t3hnar/scala-bcrypt - Scala wrapper for jBcrypt + pom.xml inside
- sparkling-graph/sparkling-graph - SparklingGraph provides easy to use set of features that will give you ability to proces large scala graphs using Spark and GraphX.
- retronym/macrocosm - Exploration of Scala macros
- mybatis/scala - The Scala version of MyBatis SQL Mapper
- Livestream/scredis - Non-blocking, ultra-fast Scala Redis client built on top of Akka IO, used in production at Livestream
- gothinkster/scala-play-realworld-example-app - Exemplary real world application built with Scala 2.13 & Play
- gaelrenoux/tranzactio - ZIO wrapper around Doobie and Anorm.
- ca-archived/aeromock - Lightweight mock web application server
- bwmcadams/hammersmith - Pure asynchronous MongoDB Driver for Scala.
- vasnake/Principles-of-Reactive-Programming - Principles of Reactive Programming, Scala: assignments and other code from Coursera https://class.coursera.org/reactive-002
- schemasafe/troy - Type-safe and Schema-safe Scala wrapper for Cassandra driver
- sbt-jib/sbt-jib - sbt version of sbt jib: https://github.com/GoogleContainerTools/jib
- tofu-tf/typed-schema - Typelevel http service definition DSL
- prnicolas/ScalaMl - Project, source code and data files for 1st edition "Scala for Machine Learning"
- lihaoyi/Scalite - An experimental whitespace-delimited syntax for the Scala programming language
- krzemin/octopus - Scala library for boilerplate-free validation
- youzan/gatling-dubbo - A gatling plugin for running load tests on Apache Dubbo(https://github.com/apache/incubator-dubbo) and other java ecosystem.
- scala-chart/scala-chart - Scala Chart Library
- ElAlev/Wayeb - Wayeb is a Complex Event Processing and Forecasting (CEP/F) engine written in Scala.
- bplawler/crawler - Scala DSL for web crawling
- zio/zio-schema - Compositional, type-safe schema definitions, which enable auto-derivation of codecs and migrations.
- TimWSpence/cats-stm - A STM implementation for Cats Effect
- stripe/dagon - Tools for rewriting and optimizing DAGs (directed-acyclic graphs) in Scala
- lucidsoftware/neo-sbt-scalafmt - Scalafmt SBT plugin
- dwickern/scala-nameof - Get the name of an variable, function, class member, or type as a string--at compile-time!
- chiselverify/chiselverify - A dynamic verification library for Chisel.
- yawaramin/scala-modules - Experimental implementations of ML-style modules in Scala
- underscoreio/essential-macros - Examples of simple Scala Macros
- sterglee/scalalab - ScalaLab: Efficient MATLAB like scientific computing for the Java platform with the current Scala 2.13. For Scala 3 the equivalent project is dottylab: https://github.com/sterglee/dottylab
- davenverse/fuuid - Functional UUID's for Scala
- coral-streaming/coral - Coral is a real-time analytics and data science platform. It transforms streaming events and extract patterns from data via RESTful APIs. Built on Scala, Akka, Cassandra and Spray.
- acrosa/scala-redis - A scala library for connecting to a redis server, or a cluster of redis nodes using consistent hashing on the client side.
- 51zero/eel-sdk - Big Data Toolkit for the JVM
- zio/zio-aws - Low level ZIO interface for the full AWS
- zio/izumi-reflect - TypeTag without scala-reflect. Supports Scala 2 and Scala 3.
- oracle/wookiee - Scala based lightweight service framework using zookeeper, gRPC, and other popular technologies.
- Nutomic/ensichat - Project discontinued
- evolution-gaming/scala-bootcamp - Scala Bootcamp
- b-studios/scala-effekt - Extensible algebraic effects with handlers
- openmole/openmole - Workflow engine for exploration of simulation models using high throughput computing
- mikeyhu/scaladiagrams - Generate class diagrams from scala source code
- marklister/product-collections - A very simple, strongly typed, scala framework for tabular data. A collection of tuples. A strongly typed scala csv reader and writer. A lightweight idiomatic dataframe / datatable alternative.
- lihaoyi/hands-on-scala-js - Better documentation for Scala.js
- johanandren/futiles - The missing utils for working with Scala Futures
- mkotsur/aws-lambda-scala - Writing AWS Lambdas in Scala
- kitlangton/scala-update - Update your Scala dependencies interactively
- erikerlandson/coulomb - coulomb: unit analysis for Scala
- ebowman/api-first-hand - API-First bootstrapping tool for building RESTful web services from a Swagger/OpenAPI spec
- crossroad0201/ddd-on-scala - DDD sample implementation by Scala.
- archivesunleashed/aut - The Archives Unleashed Toolkit is an open-source toolkit for analyzing web archives.
- yareally/android-scala-intellij-no-sbt-plugin - Directions on how to create a Scala based project in Intellij IDEA without having to resort to additional plugins or external building that cripples the nice features of the IDE.
- xebia-functional/scala-android - Scala on Android Examples
- VirtusLab/iskra - Typesafe wrapper for Apache Spark DataFrame API
- VirtusLab/besom - Besom - a Pulumi SDK for Scala. Also, incidentally, a broom made of twigs tied round a stick. Brooms and besoms are used for protection, to ward off evil spirits, and cleansing of ritual spaces.
- vagmcs/Optimus - Optimus is a mathematical programming library for Scala.
- scredis/scredis - Non-blocking, ultra-fast Scala Redis client built on top of Akka IO.
- scapegoat-scala/sbt-scapegoat - sbt plugin for scapegoat scala static analysis plugin
- japgolly/test-state - Scala Test-State.
- botkop/scorch - scorch is a deep learning framework in Scala inspired by PyTorch
- scala/community-build - Scala 2 community build — a corpus of open-source repos built against Scala nightlies
- ingoem/scala-react - Scala.react is a reactive programming library for Scala.
- japgolly/clear-config - Scala FP configuration library with a focus on runtime clarity
- scalastyle/scalastyle-sbt-plugin - scalastyle-sbt-plugin
- P7h/Spark-MLlib-Twitter-Sentiment-Analysis - 🌟 ✨ Analyze and visualize Twitter Sentiment on a world map using Spark MLlib
- harana/search - Search everything, instantly.
- xebia-functional/scala-days-android - Official Android app for Scala Days
- parapet-io/parapet - A purely functional library to build distributed and event-driven systems
- EmergentOrder/onnx-scala - An ONNX (Open Neural Network eXchange) API and backend for typeful, functional deep learning and classical machine learning in Scala 3
- CodelyTV/scala-ddd-example - λ🎯 Hexagonal Architecture + DDD + CQRS applied in Scala using Akka HTTP
- Spinoco/fs2-http - Http Server and client using fs2
- picnicml/doddle-model - 🍰 doddle-model: machine learning in Scala.
- mandubian/neurocat - From neural networks to the Category of composable supervised learning algorithms in Scala with compile-time matrix checking based on singleton-types
- lolgab/snunit - Scala Native HTTP server based on NGINX Unit
- finagle/featherbed - Asynchronous Scala HTTP client using Finagle, Shapeless and Cats
- scala/scala-swing - Scala wrappers for Java's Swing API for desktop GUIs
- leanovate/play-mockws - Mock WS client for Play Framework
- com-lihaoyi/castor - Castor is a lightweight, typed Actor library for Scala and Scala.js
- bokeh/bokeh-scala - Scala bindings for Bokeh plotting library
- sief/play-guard - Play2 module for rate limiting, based on token bucket algorithm
- plokhotnyuk/rtree2d - RTree2D is a 2D immutable R-tree for ultra-fast nearest and intersection queries in plane and spherical coordinates
- fthomas/fs2-cron - FS2 streams based on cron expressions
- twitter/tormenta - Scala extensions for Storm
- sbrunk/storch - GPU accelerated deep learning and numeric computing for Scala 3.
- darrenjw/scala-course - Scala for Statistical Computing and Data Science Short Course
- scalacenter/scalac-profiling - Compilation profiling tool for Scala 2 projects
- plokhotnyuk/actors - Evaluation of API and performance of different actor libraries
- jasongoodwin/authentikat-jwt - JWT Scala Implementation - Claims based auth for Scala.
- eed3si9n/treehugger - treehugger.scala is a library to code Scala programmatically.
- zio/zio-cli - Rapidly build powerful command-line applications powered by ZIO
- xored/scala-js-react - ScalaJS interface for Facebook React
- paradigmatic/Configrity - Simple, immutable and flexible configuration library for scala.
- julianpeeters/sbt-avrohugger - sbt plugin for generating Scala sources for Apache Avro schemas and protocols.
- circe/circe-derivation - Fast type class instance derivation for Circe
- jesseeichar/scala-io - Repository for work on Scala Standard Library I/O components
- dwhjames/datomisca - Datomisca: a Scala API for Datomic
- STHSF/TextRank - 基于PageRank的TextRank方法, 可以应用于中文关键词、短语、摘要提取程序,代码使用Scala编写。
- Clustering4Ever/Clustering4Ever - C4E, a JVM friendly library written in Scala for both local and distributed (Spark) Clustering.
- yahoo/maha - A framework for rapid reporting API development; with out of the box support for high cardinality dimension lookups with druid.
- widok/widok - Reactive web framework for the JVM and Scala.js
- scalafx/scalafx-ensemble - scalafx ensemble
- sbt/sbt-jni - SBT Plugin to ease working with JNI
- mtkopone/scct - Scala Code Coverage Tool
- microsoft/scala_torch - Scala bindings for LibTorch
- blockchain-unica/blockapi - A general framework for blockchain analytics
- ashwinbhaskar/functional-way - Write small programs (eg -algorithms) in a functional way.
- sbt/flyway-sbt - An sbt plugin for Flyway database migration
- Kanaka-io/play-monadic-actions - A simple scala DSL to allow clean and monadic style for Play! Actions
- jodersky/akka-serial - Reactive serial communication library for Akka and Scala.
- camunda/feel-scala - FEEL parser and interpreter written in Scala
- SwissBorg/lithium - Lithium - A split-brain resolver for Akka-Cluster
- nafg/slick-migration-api - Schema manipulation dialects and DSL for Slick
- MemVerge/splash - Splash, a flexible Spark shuffle manager that supports user-defined storage backends for shuffle data storage and exchange
- jleetutorial/scala-spark-tutorial - Project for James' Apache Spark with Scala course
- heathermiller/spores - Scala Spores, safe mobile closures.
- GravityLabs/HPaste - HBase DSL for Scala with MapReduce support
- chucheng92/SwordOffer - 🔥剑指offer题解(Java & Scala实现)
- xxxnell/flex - Probabilistic deep learning for data streams.
- joan38/kubernetes-client - A Kubernetes client for Scala
- hmil/RosHTTP - Unified Scala.js + Scala HTTP client API
- exercism/scala - Exercism exercises in Scala.
- dwhjames/aws-wrap - Asynchronous Scala Clients for Amazon Web Services
- AnormCypher/AnormCypher - Neo4j Scala library based on Anorm in the Play Framework
- andyglow/scala-jsonschema - Scala JSON Schema
- VladKopanev/cats-saga - Purely Functional Transaction Management In Scala With Cats
- TyGuS/suslik - Synthesis of Heap-Manipulating Programs from Separation Logic
- sbt/sbt-unidoc - sbt plugin to create a unified Scaladoc or Javadoc API document across multiple subprojects.
- mDialog/scala-zeromq - Thread-safe ZeroMQ for Scala
- loicdescotte/pureWebappSample - Minimal http4s + Doobie + ZIO + Circe Scala application to show how to build a purely functional web application in Scala.
- kogecoo/dl4j-examples-scala - [NO LONGER MAINTAINED] a simple scala porting of https://github.com/deeplearning4j/dl4j-examples
- hussachai/play-scalajs-showcase - Play+Scala.js Showcase
- henrikerola/scaladin - Scala API for Vaadin Framework
- circe/circe-config - Yet another Typesafe config Scala wrapper powered by circe
- armanbilge/calico - Pure, reactive UI library for Scala.js
- Ahnfelt/react4s - Production ready React wrapper for Scala.js - composable lifecycle - no memoization, no macros, no implicits.
- vert-x3/vertx-lang-scala - Vert.x for Scala
- Sergey80/scala-samples - There are pieces of scala code that explain Scala syntax and related things - like what you can do with all this
- sameersingh/scalaplot - Library to plot graphs using a scala frontend, and various backends such as gnuplot, jfreegraph, matplotlib, etc.
- kitlangton/zio-app - Quickly create and develop full-stack Scala apps with ZIO and Laminar.
- iheartradio/kanaloa - Make your service more resilient by providing protection against traffic oversaturation
- GrahamLea/scala-spring-hibernate-maven-webapp - [ARCHIVED] Code for kickstarting a webapp using Scala + Spring + Hibernate + Maven + Selenium WebDriver PageObject Web Tests
- ciren/cilib - Typesafe, purely functional Computational Intelligence
- alexkvak/teamcity-slack - TeamCity Slack plugin
- SidneyXu/JGSK - Java,Groovy,Scala,Kotlin 四种语言的特点对比
- scalacenter/macros - Archived - Scala Macros
- sbt/sbt-jacoco - an sbt plugin for JaCoCo Code Coverage
- ktonga/reactive-turtle - Scala and Akka for kids. A Functional Programming approach for the well known LOGO.
- epfl-lara/ScalaZ3 - DSL in Scala for Constraint Solving with Z3 SMT Solver
- eed3si9n/gigahorse - Gigahorse is an HTTP client for Scala with multiple backend support.
- alonsodomin/cron4s - Cross-platform CRON expression parsing for Scala
- smart-data-lake/smart-data-lake - Smart Automation Tool for building modern Data Lakes and Data Pipelines
- scala-lms/tutorials - Tutorials on Lightweight Modular Staging
- paulgoldbaum/scala-influxdb-client - Asynchronous InfluxDB client for Scala
- MasseGuillaume/ScalaKata - Moved
- guillaumebort/scasm - A a dynamic x86_64 assembler in Scala — Code for the live coding session @ Devoxx france 2016
- foundweekends/pamflet - a publishing application for short texts
- ashwinbhaskar/scala-to-dotty - Dotty way of writing Scala 2 code
- zalando/beard - A lightweight, logicless templating engine, written in Scala and inspired by Mustache
- underscoreio/essential-scala - Source code for Underscore's Essential Scala
- sonar-scala/sonar-scala - A free and open-source SonarQube plugin for static code analysis of Scala projects.
- softwaremill/scala-common - Tiny independent libraries with a single purpose, often a single class
- ekrich/sconfig - Scala configuration library supporting HOCON for Scala, Java, Scala.js, and Scala Native
- bsadeh/scalastic - scala driver for elasticsearch
- 47degrees/scalacheck-toolbox - A helping hand for generating sensible data with ScalaCheck
- nraychaudhuri/scalainaction - Code examples from scala in action book
- julienrf/scalm - Elm-inspired Scala library for writing web user interfaces
- gonmarques/slick-repo - CRUD Repositories for Slick based persistence Scala projects.
- zio/zio-telemetry - ZIO-powered OpenTelemetry library
- ohnosequences/sbt-s3-resolver - ☁️Amazon S3-based resolver for sbt
- lightbend-labs/scala-sculpt - Dependency extraction for Scala codebases, to aid in modularizing
- bowler-framework/Bowler - RESTful Web Framework based on Scala, built on top of Scalatra & Scalate
- alexarchambault/ammonite-spark - Run spark calculations from Ammonite
- typelevel/spotted-leopards - Proof of concept for a cats-like library built using Dotty features
- mmolimar/kukulcan - A REPL for Apache Kafka
- meetuparchive/archery - 2D R-Tree implementation in Scala
- crobox/clickhouse-scala-client - Clickhouse Scala Client with Reactive Streams support
- abbruzze/kernal64 - A Scala Commodore 64, 128, VIC20, CBM2 and SuperCPU emulator
- scalasummerschool/lectures - Learn Functional Programming in Scala
- rladstaetter/LogoRRR - A simple and straightforward log viewer that displays the events of interest in a clear and concise visual manner so that you can identify them faster.
- JohnReedLOL/scala-trace-debug - Macro based print debugging. Locates log statements in your IDE.
- ing-bank/scruid - Scala + Druid: Scruid. A library that allows you to compose queries in Scala, and parse the result back into typesafe classes.
- vmunier/akka-http-scalajs.g8 - Giter8 template to get started with Akka HTTP and Scala.js.
- Thangiee/Freasy-Monad - Easy way to create Free Monad using Scala macros with first-class Intellij support.
- tethys-json/tethys - AST free JSON library for Scala
- okumin/akka-persistence-sql-async - A journal and snapshot store plugin for akka-persistence using RDBMS.
- Kirill5k/mongo4cats - MongoDB Java client wrapper for Cats Effect & FS2 and ZIO
- Katrix/AckCord - A Discord library for Scala using Akka
- criteo/cuttle - An embedded job scheduler.
- gzoller/ScalaJack - Fast JSON parser/generator for Scala
- dyweb/scrala - Unmaintained 🐳 ☕ 🕷️ Scala crawler(spider) framework, inspired by scrapy, created by @gaocegege
- scala/scala-collection-contrib - community-contributed additions to the Scala 2.13 collections
- fancellu/scalajs-vue - Scala.js bindings for Vue.js and an example application
- evolution-gaming/kafka-journal - Event sourcing journal implementation using Kafka as main storage
- ACINQ/bitcoin-lib - Simple bitcoin library written in Scala
- roboscala/sbt-robovm - An sbt plugin for iOS development in Scala
- mwunsch/handlebars.scala - A Scala implementation of the Handlebars templating language (a superset of Mustache).
- lloydmeta/diesel - Boilerplate-free, zero-overhead Tagless Final / typed-final / Finally Tagless DSLs in Scala
- heroku/heroku-sbt-plugin - An sbt plugin for deploying Heroku Scala applications
- agemooij/sbt-prompt - An SBT plugin for making your SBT prompt more awesome
- zenecture/neuroflow - Artificial Neural Networks for Scala
- scalacenter/scala3-migrate - A tool to help migrating from Scala 2 to Scala 3
- playframework/scalatestplus-play - ScalaTest + Play
- jsuereth/scala-in-depth-source - The source code for the Scala In Depth book.
- inoio/solrs - An async, non-blocking solr client for java/scala, providing a query interface like SolrJ
- debasishg/frdomain-extras - Additional accompaniment to Functional and Reactive Domain Modeling
- bioscala/bioscala - Bioinformatics for the Scala programming language
- sbt/sbt-boilerplate - sbt plugin for generating scala.Tuple/Function related boilerplate code
- potigol/beecrowd - 800+ Soluções dos problemas do Beecrowd usando a linguagem Potigol
- ITV/scala-pact - A Scala implementation of CDC using the Pact standard
- holdenk/spark-validator - A library you can include in your Spark job to validate the counters and perform operations on success. Goal is scala/java/python support.
- davidB/scala-archetype-simple - a simple maven archetype for project in scala
- carueda/tscfg - Schema-first, boilerplate-free, type-safe access to configuration properties in Java and Scala
- yoshikyoto/lgtmoon - LGTM画像を簡単に作成できるアプリ
- scalameta/metabrowse - Static site generator for code search with IDE features for Scala
- scala-interop/slinc - Scala <-> C interop
- sake92/hepek - Typesafe HTML templates and static site generator in pure Scala
- reibitto/command-center - A CLI-based launcher and general productivity tool.
- nuttycom/xenomorph - Scala library for free applicative schemas capable of parsing/rendering sums-of-products data structures.
- microsoft/Azure-Databricks-NYC-Taxi-Workshop - An Azure Databricks workshop leveraging the New York Taxi and Limousine Commission Trip Records dataset
- bobye/neuron - Scala library for neural networks
- sparsetech/pine - Functional HTML5 and XML library for the Scala platform
- scalawarrior/scalawarrior - Game written in Scala for learning Scala.
- scala-exercises/exercises-cats - Scala Exercises' lessons for the Cats library
- lihaoyi/scala-js-games - Some simple games ported to Scala-Js
- chenkelmann/actuarius - A markdown processor for the JVM written in Scala.
- sisioh/scala-dddbase - Scala Library for Domain Driven-Design
- scala-jsonapi/scala-jsonapi - Scala support library for integrating the JSON API spec with Spray, Play! or Circe
- scala-ide/scala-ide-play2 - Play 2 support for Scala IDE
- scalacenter/sbt-scalafix - sbt plugin for Scalafix
- OndraFiedler/spark-recommender - Scalable recommendation system written in Scala using the Apache Spark framework
- monix/shade - Memcached client for Scala
- fernandoracca/skeleton - Simple Scala project template
- datastax/spark-cassandra-connector - DataStax Connector for Apache Spark to Apache Cassandra
- shadaj/scala-native-wasm - Running Scala in WebAssembly through Scala Native
- gideondk/Raiku - A non-blocking - Akka IO driven - Riak client for Scala with a cute DSL
- magarciaEPFL/scaladotnet - Scala SDK (compiler and standard library) for .NET
- hanabix/config-annotation - A refactor-friendly way to use typesafe's config by scala macro annotation
- paulbutcher/ScalaMock - Native Scala mocking framework
- zio/zio-actors - A high-performance, purely-functional library for building, composing, and supervising typed actors based on ZIO
- zio/zio-sql - Type-safe, composable SQL for ZIO applications
- zio/zio-keeper - A ZIO library for building distributed systems
- zio/zio-nio - A small, unopinionated ZIO interface to NIO.
- rssh/dotty-cps-async - experimental CPS transformer for dotty
- zio/zio-akka-cluster - ZIO wrapper for Akka Cluster
- stephentu/scala-sql-parser - SQL parser written using Scala's parser combinator library
- backuity/clist - Command Line Interface Scala Toolkit
- scala-text/scala_text - Scala学習用テキスト
- mesosphere/chaos - A lightweight framework for writing REST services in Scala.
- suzaku-io/suzaku - Suzaku web UI framework for Scala
- apache/sedona - A cluster computing framework for processing large-scale geospatial data
- tkawachi/sbt-doctest - Doctest for scala
- flyway/flyway-sbt - Flyway SBT plugin
- marcuslonnberg/sbt-docker - Create Docker images directly from sbt
- crealytics/spark-excel - A Spark plugin for reading and writing Excel files
- quaich-project/quaich - Scala Serverless Microframework for AWS Lambda, inspired by Amazon's Chalice (https://github.com/awslabs/chalice)
- tpolecat/doobie - Functional JDBC layer for Scala.
- spaced/scala-js-d3 - d3 facade types for Scala.js
- Colisweb/scala-opentracing - A tracing library for Cats and Http4s, tailored for Opentracing tracers like Datadog and Jaeger
- EffectOrientedProgramming/book - Effect-Oriented Programming: Creating Reliable Systems with Scala 3 and ZIO 2
- scoverage/sbt-coveralls - sbt-plugin to upload sbt-scoverage reports to coveralls
- johnynek/inliner - scala macros to inline idiomatic scala for maximum performance
- aishfenton/Argus - Builds models from JSON Schemas
- vspiewak/twitter-sentiment-analysis - Streaming tweets with spark, language detection & sentiment analysis, dashboard with Kibana
- lightbend/mima - A tool for catching binary incompatibility in Scala
- swagger-api/swagger-scala-module - Swagger support for scala
- sksamuel/elastic4s - Elasticsearch Scala Client - Reactive, Non Blocking, Type Safe, HTTP Client
- apache/incubator-pekko - Build highly concurrent, distributed, and resilient message-driven applications using Java/Scala
- lloydmeta/schwatcher - File-watching library for Scala. Built on Java 7's WatchService, RxScala and Akka actors.
- lampepfl/dotty - The Scala 3 compiler, also known as Dotty.
- aloiscochard/scato - An exploration of purely functional library design in Scala.
- scullxbones/akka-persistence-mongo - Implementation of akka-persistence storage plugins for mongodb
- PaytmLabs/akka-batteries - Utilities for Akka cluster in production
- longevityframework/longevity - A Persistence Framework for Scala and NoSQL
- krasserm/akka-stream-eventsourcing - Event sourcing for Akka Streams
- hempalex/scala-impatient - My solutions for "Scala for the Impatient" exercises
- tristanjuricek/knockoff - A Markdown parser + object model in scala
- fralken/sbt-swagger-codegen - sbt Plugin for Scala code generation for Swagger specs
- openlawteam/openlaw-core - Shared Scala libraries for the OpenLaw project.
- lk-geimfari/awesomo - Cool open source projects. Choose your project and get involved in Open Source development now.
- polynote/uzhttp - Minimal HTTP server for Scala+ZIO
- 47degrees/nine-cards-v2 - An Open Source Android Launcher built with Scala on Android
- 47degrees/scala-android - Scala on Android Examples
- 47degrees/scala-days-android - Official Android app for Scala Days
- lampepfl/async - A strawman for a low-level async library in Scala 3
- SmartBackpacker/core - FP Scala Back-end of the Smart Backpacker App
- lunatech-labs/lunatech-scala-2-to-scala3-course - Lunatech course - "Moving forward from Scala 2 to Scala 3"
- Orkestra-Tech/orkestra - Functional DevOps with Scala and Kubernetes
- MasseGuillaume/ScalaKata2 - Interactive Playground
- swaldman/sbt-ethereum - An sbt-based solidity / scala development environment, and general command-line power tool, for Ethereum.
- outworkers/morpheus - Reactive type-safe Scala driver for SQL databases
- planet42/Laika - Site and E-book Generator and Customizable Text Markup Transformer for sbt, Scala and Scala.js
- sjrd/scala-js-actors - Actor system for Scala.js
- kclay/rethink-scala - Scala Driver for RethinkDB
- 47degrees/fetch - Simple & Efficient data access for Scala and Scala.js
- vigoo/prox - A Scala library for working with system processes
- tpolecat/skunk - A data access library for Scala + Postgres.
- tpolecat/natchez - functional tracing for cats
- fwbrasil/kyo - Algebraic effects for Scala 3
- xuwei-k/sbt-class-diagram - sbt plugin to create a class diagram
- chipsalliance/chisel3 - Chisel 3: A Modern Hardware Design Language
- wix/accord - Accord: A sane validation library for Scala
- jrudolph/akka-http-scala-js-websocket-chat - An example app that integrates akka-http and scala-js to implement a websocket chat
- pbugnion/s4ds - Code samples for Scala for data science
- gphat/wabisabi - Scala Asynchronous ElasticSearch HTTP Client
- HouzuoGuo/schale - A subprocess interface for Scala
- schmitch/sbt-jib - sbt version of sbt jib: https://github.com/GoogleContainerTools/jib
- rudogma/scala-supertagged - Unboxed (multi-nested-)tagged + unboxed newtypes. Better and much friendlier alternative to AnyVals.
- ua-parser/uap-scala - Scala port of ua-parser
- scalafiddle/scalafiddle-editor - Web user interface for ScalaFiddle
- scalacenter/advisoryboard - Scala Center Advisory Board planning
- kailuowang/mainecoon - Transform and compose tagless final encoded algebras in scala
- btlines/pbdirect - Read/Write Scala objects directly to Protobuf with no .proto file definitions
- scala-ide/scala-worksheet - A Scala IDE plugin for a multi-line REPL (called worksheet)
- scala/jardiff - A tool for comparing JAR files, including method bodies and Scala 2 pickled signatures
- mgonto/factory_pal - A Scala framework for creating objects as test data. Say no to Mocks
- denisrosset/metal - Metal - fast unboxed data structures for Scala
- jcazevedo/moultingyaml - Scala wrapper for SnakeYAML
- neysofu/tyche - Statistics utilities for the JVM - in Scala!
- propensive/fury - A new build tool for JVM languages
- scalan/scalan - Generic framework for development of domain-specific compilers in Scala
- rklaehn/radixtree - A fast and generic immutable radix tree for scala
- bfil/scala-automapper - Hassle-free case class mapping!
- Stratio/khermes - A distributed fake data generator based in Akka.
- gnieh/fs2-data - streaming data parsing and transformation library
- scala/scala-module-dependency-sample - Depend on Scala modules like a pro
- rorygraves/ScalaClean - Full program static analysis for Scala
- JetBrains/intellij-scala-bundle - IntelliJ Scala Bundle - get started with Scala in a single click!
- lendup/fs2-blobstore - Minimal, idiomatic, stream-based Scala interface for key/value store implementations
- tonyskn/coursera-scala - My solutions to Coursera's "Functional Programming in Scala"
- lightbend/scala-logging - Convenient and performant logging library for Scala wrapping SLF4J.
- dream11/zio-http - A scala library to write Http apps.
- lightbend/scala-sculpt - Dependency extraction for Scala codebases, to aid in modularizing
- jvican/sbt-release-early - Opinionated sbt plugin to release your artifacts early, both on merge and via git tag.
- criteo/lolhttp - An HTTP Server and Client library for Scala.
- w11k/scalamodules - ScalaModules is an elegant and intuitive domain specific language for OSGi development written in the Scala programming language.
- takezoe/solr-scala-client - Solr Client for Scala
- dunnololda/scage - game engine written in Scala
- bmc/classutil - Scala-friendly, fast class-finder library (using ASM under the covers)
- KyleU/boilerplay - Using the latest technology in the Scala ecosystem, Boilerplay is a reactive web application built on Play Framework, ScalaJS, Silhouette, Sangria/GraphQL, and PostgreSQL. It provides a good starting point for whatever you want to build.
- DavidGregory084/sbt-tpolecat - scalac options for the enlightened
- NewMotion/akka-rabbitmq - RabbitMq client in Scala and Akka actors
- Tinkoff/typed-schema - Typelevel http service definition DSL
- CyberAgent/aeromock - Lightweight mock web application server
- NewMotion/ocpp - Open Charge Point Protocol
- meetup/archery - 2D R-Tree implementation in Scala
- compstak/KafkaStreams4s - Kafka Streams for Scala. Integrates KafkaStreams with the cats-effect ecosystem
- vivri/Adjective - Programming is an exercise in linguistics; spice-up Scala types with Adjective.
- ornicar/scalex - [abandoned] Hoogle-like documentation search engine, for scala
- mikolak-net/travesty - Diagram- and graph-generating library for Akka Streams
- bmc/grizzled-scala - A general-purpose library of miscellaneous stuff for Scala.
- vigoo/scalafxml - Bridging the gap between scalafx and FXML with generated proxies
- sirthias/scala-benchmarking-template - SBT template project for creating Scala (micro-)benchmarks based on Caliper
- shadaj/scalapy - Use the world of Python from the comfort of Scala!
- 47degrees/sbt-microsites - An sbt plugin to create awesome microsites for your project
- melrief/PureCSV - A type-safe and boilerplate-free CSV library for Scala
- mefellows/sbt-dotenv - Simple Dotenv implementation for Scala SBT Builds. Configures environment for local development.
- politrons/reactiveScala - Example of Features, Reactive and Pure functional programing in Scala
- ornicar/lila - ♞ lichess.org: the forever free, adless and open source chess server ♞
- ornicar/scalachess - Chess API written in scala. Immutable and free of side effects.
- scala-tsi/scala-tsi - Generate typescript interfaces from your scala classes
- rklaehn/abc - Array-based immutable collections for scala
- akisaarinen/rillit - Boilerplate-free Functional Lenses for Scala 2.10
- TinkoffCreditSystems/typed-schema - Typelevel http service definition DSL
- daviddenton/fintrospect - Implement fast, type-safe HTTP webservices for Finagle
- djspiewak/extreme-cleverness - A set of functional collections created, ported and modified for my tak at NE Scala 2011
- runarorama/Malakov - Markov Chains for Scala
- getquill/quill - Compile-time Language Integrated Queries for Scala
- streamxhub/streamx - Make Flink|Spark easier!!! The original intention of StreamX is to make the development of Flink easier. StreamX focuses on the management of development phases and tasks. Our ultimate goal is to build a one-stop big data solution integrating stream processing, batch processing, data warehouse and data laker.
- maxcellent/lamma - Lamma schedule generator for Scala is a professional schedule generation library for periodic schedules like fixed income coupon payment, equity deravitive fixing date generation etc.
- polynote/polynote - A better notebook for Scala (and more)
- potigol/Potigol - Linguagem Potigol - Linguagem de programação funcional moderna para iniciantes - A Functional Programming Language for Beginners
- xdotai/diff - Visually compare Scala data structures with out of the box support for arbitrary case classes.
- scala-js/scala-js-java-time - Scala.js implementation for java.time in JDK8
- agemooij/riak-scala-client - An easy to use, non-blocking, fast Scala client library for interacting with Riak.
- AtomicScala/atomic-scala-examples - Examples from the book "Atomic Scala" 2nd Edition by Bruce Eckel & Dianne Marsh
- intel-analytics/BigDL - BigDL: Distributed Deep Learning Framework for Apache Spark
- sksamuel/pulsar4s - Idiomatic, typesafe, and reactive Scala client for Apache Pulsar
- travisbrown/type-provider-examples - Macro-based type providers for Scala (examples)
- scala/scala-continuations - the Scala delimited continuations plugin and library