Tesseract Open Source OCR Engine (main repository)

Collection of various algorithms in mathematics, machine learning, computer science and physics implemented in C++ for educational purposes.

Animated sprite editor & pixel art tool (Windows, macOS, Linux)

Truly independent web browser

Powerful yet simple to use screenshot software 🖥️ 📸

Notepad++ official repository

DOOM Open Source Release

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

Flexible level editor

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

Code. Music. Live.

Cross-platform music production software

The Flutter engine

THIS REPO IS NOT MAINTAINED ANYMORE. Please see https://codeberg.org/tenacityteam/tenacity for Tenacity, which is maintained.

OpenTTD is an open source simulation game based upon Transport Tycoon Deluxe

Sigil is a multi-platform EPUB ebook editor

An audio server, programming language, and IDE for sound synthesis and algorithmic composition.

Animated sprite editor & pixel art tool -- Fork of the last GPLv2 commit of Aseprite

Powerful, mature open-source cross-platform game engine for Python and C++, developed by Disney and CMU

GTP engine and self-play learning in Go

Decompilation of 3D Pinball for Windows – Space Cadet

An RSS/Atom feed reader for text terminals

fheroes2 is a recreation of Heroes of Might and Magic II game engine.

JPEG XL image format reference implementation

Functional programming language for signal processing and sound synthesis

Open Source codebase of the game Overgrowth by Wolfire Games LLC

Beef Programming Language

Share files across the LAN

Free news feeds reader

A tool for Go players: SGF editor, analysis tool, game database and pattern search tool, IGS client