Free open-source modern C++17 / C++20 framework to create console, GUI (forms like WinForms) and unit test applications and libraries on Microsoft Windows, Apple macOS and Linux.

OpenToonz - An open-source full-featured 2D animation creation software

Open source real-time translation app for Android that runs locally

Krita is a free and open source cross-platform application that offers an end-to-end solution for creating digital art files from scratch built on the KDE and Qt frameworks.

Free open-source non-linear video editor

Luanti (formerly Minetest) is an open source voxel game-creation platform with easy modding and game creation

cross-platform (Qt), open-source (GPLv3) video editor

An open source re-implementation of RollerCoaster Tycoon 2 🎢

MuseScore is an open source and free music notation software. For support, contribution, bug reports, visit MuseScore.org. Fork and make pull requests!

Free and Open Source Reverse Engineering Platform powered by rizin

Microsoft Cognitive Toolkit (CNTK), an open source deep-learning toolkit

Cocos2d-x is a suite of open-source, cross-platform, game-development tools utilized by millions of developers across the globe. Its core has evolved to serve as the foundation for Cocos Creator 1.…

Open Source Computer Vision Library

Open singing synthesis platform / Open source UTAU successor