NDK

NDK is a nostr development kit that makes the experience of building Nostr-related applications, whether they are relays, clients, or anything in between, better, more reliable and overall nicer to work with than existing solutions.

Features

NIPs support

• NIP-01
• NIP-04: Encryption support
• NIP-07: Browser extension signer adapter
• NIP-17: Gift-wrap DMs
• NIP-18: Repost + Generic Reposts
• NIP-22: Generic Comments
• NIP-23: Long-form event wrapper + validation
• NIP-29: Simple group event wrappers + validation
• NIP-42: Relay authentication
• NIP-44: Encryption support
• NIP-46: Remote signing
  • Permission tokens
  • OAuth flow
• NIP-47: Nostr Wallet Connect
• NIP-57: Zaps
  • LUD06
  • LUD16
• NIP-59: Gift wraps
• NIP-60: Nutsack wallet
• NIP-61: Nutzaps
• NIP-65: Contacts' Relay list
• NIP-89: Application Handlers
• NIP-90: Data Vending Machines

Other stuff

• Caching adapters

  • Server-side
    • Redis
  • Client-side
    • IndexDB (Dexie)
    • SQLite (on mobile)

• Subscription Management

  • Auto-grouping queries
  • Auto-closing subscriptions
  • Reactive subscriptions

• Signing Adapters

  • Private key
  • Browser extension
  • nsecBunker

• Relay discovery

  • Outbox-model (NIP-65)
  • Implicit relays discovery following pubkey usage
  • Implicit relays discovery following t tag usage
  • Explicit relays blacklist

Documentation

See NDK Documentation for documentation on how to use NDK.

Real-world uses of NDK

See REFERENCES.md for a list of projects using NDK to see how others are using it.