Educational licenses on page https://github.com/bobjonesss for:

1 "Qt examples are available under commercial licenses from The Qt Company, and under a BSD-3-clause license. Educational licenses are available for students and educators in qualified educational institutions or universities. See http://qt.io/licensing/ for an overview of Qt licensing." look link: https://doc.qt.io/qt-6/licensing.html

2 for Ukrainian:

1 чужий код використовується для навчаня => rewrite code (перепис коду для навчання)

2 із вказівкою на автора та стороннє авторство!

*PS: 1:21:29 не забувайте про те що є допустимим використання софта без дозволу в українському законодавстві це наприклад для навчання тобто якщо ви придумали якісь софт його використовують в школі для навчання то це може зійти в принципі за допустимими!!! використання але з і загадкою автора такого софту на правовласника цього сорту " look link: https://youtu.be/BrLWORklrmY?list=PLOlyZEVllXBFXj89J9CLMsMyZkMJS0wtK&t=4895

GRAPHICS:

• LibreCAD is a cross-platform 2D CAD program written in C++17. It can read DXF/DWG files and other LibreCAD
  
• Yet another painting software EasyPaint
  
• NJU-Graphics Система компьютерной графики Нанкинского университета
  
• Mini-GIMP template project for Image processing course. image-processing-project-student
  
• GMTK-0.0.1-Qt C++ Based vector graphics software.
  
• A Qt5 application to experiment vector graphic shaders qt5-vector-graphic-shaders
  
• PGR QT-simple-vector-drawing-editor
  
• Practical and minimal image viewer https://github.com/bobjonesss/qView qView
  
• ImageViewer qt practice project ImageViewer
  

GAME:

• 15 puzzle game with Qt & QML, training project example 15-puzzleQt
  

STADY Qt and examples:

• Поделитесь различными примерами Qt, возможно они будут полезны~ QtExamples
  
• A set of introductory tutorials on C/C++ Qt graphical development created by the author, with complete cases and source code.Qt-Tutorial
  
• CatLearnQt предоставляет QWidget, Quick, сеть, последовательный порт, базовые библиотеки и примеры. Программное обеспечение корпуса поддерживает переключение стилей и интернационализацию.CatLearnQt
  
• Создаем сложные интерфейсы и спецэффекты на базе Qt. Часть I - II https://github.com/bobjonesss/HabrQtDemos HabrQtDemos
• IoC container classes for Qt based projects (C++) https://github.com/bobjonesss/qt-dependency-container qt-dependency-container
• Qt5 tutorial by ZetCode (rewrite code). рерайт кода из сайта = переработан код, в целях изучения! https://github.com/bobjonesss/Qt5_tutorial_by_ZetCode Qt5_tutorial_by_ZetCode
• Qt 6. Разработка оконных приложений на C++ ((переработан код, в целях изучения)) https://github.com/bobjonesss/Qt_6_Razrabotka_okonnyh_prilojeniiy_na_Cpp Qt_6_Razrabotka_okonnyh_prilojeniiy_na_Cpp
• Программирование на языке С++ в среде Qt Creator. ( рерайт кода из книги = переработан код, в целях изучения!) https://github.com/bobjonesss/Programmirovanie_na_jazyke_CPP_v_srede_Qt_Creator
• Конова Е. А. Алгоритмы и программы. Язык С++ : учебное пособие для СПО / Е. А. Конова, Г. А. Поллак. — 3е изд., стер. — Санкт-Петербург : Лань, 2022 https://github.com/bobjonesss/Algoritmy_i_programmy_Yazyka_cpp Algoritmy_i_programmy_Yazyka_cpp

QML and examples:

• Todo list application made via QML & JS (dark/light mode) tutuList
  
• How to use a SQLite database in a Qt Quick / QML application.qml-sql-example
  
• LetsChat Chat Application idea built in Qt/QML. Its just a hobby project, but feel free to chyme in if you have ideas. https://github.com/bobjonesss/LetsChat LetsChat
• Arboreus.Systems examples || PARTLY Qt/QML Qt 5 / Qt 6 https://github.com/bobjonesss/arboreus_examples arboreus_examples

C++ STL and other:

• Code files by PacktC++17 STL Cookbook
  
• levonoganesyan/Algorithms https://github.com/bobjonesss/Algorithms Algorithms
• A variety of encryption algorithms https://github.com/bobjonesss/Encryption-Algorithms Encryption-Algorithms

for Android:

• OpenSSL scripts and bins for Android (useful for Qt on Android apps) https://github.com/bobjonesss/android_openssl

OTHER program and examples technologi:

• Example Qt application that connects to SQL Server and displays a table from the database qt-sql-example
  

• Qt addressbook training project example Qt-AddressBook
  

• Convenient Qt table models to work with typical REST-service using JSON as a data transport format MVC REST JSON
  

• Lightweight combobox widget that uses checkboxes for selecting multiple items. QComboBox descedant. https://github.com/bobjonesss/QCheckboxCombo QCheckboxCombo

• Alternative Qt model class to handle with SQL database tables. https://github.com/bobjonesss/LSqlTableModel LSqlTableModel*

• alimoghanni/QtProject https://github.com/bobjonesss/QtProject QtProject

• Opensource high easily expandable SQL-manager desktop application https://github.com/bobjonesss/polymorph-sql polymorph-sql

• Qt-SQLite-UserManager https://github.com/bobjonesss/Qt-SQLite-UserManager

• Crack legacy zip encryption with Biham and Kocher's known plaintext attack. https://github.com/bobjonesss/bkcrack

• Alarm , Timer , Stopwatch, Calendar, Private message, Tabata-timer. https://github.com/bobjonesss/personal-timer

• A cross platform Win&Linux for manage students/classs (unlimited , customization program titles) via Qt & Sqlite https://github.com/bobjonesss/simple-class-manager

• Advanced Docking System for Qt https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System