Solar2D Game Engine main repository (ex Corona SDK)
Animation Compression Library
Unity / XNA game patcher and plugin framework
A development environment focused on modding
A simple and easy-to-use library to enjoy videogames programming
Google maps for block game
A Native GOG and Epic Games Launcher for Linux, Windows and Mac
Open source cross-platform multi-purpose game toolkit
C# application with primary purpose of farming Steam cards
RetroArch is a frontend for emulators, game engines and media players.
One framework for creating powerful cross-platform games
Retro video game emulation for macOS
An iOS & tvOS Frontend for Multiple Emulators
websocket and http client and server library, with TLS support
Java library that enables cross-platform access to popular native APIs
Java/JavaFX/Kotlin Game Library (Engine)
Client-side JS platform for artists, designers and students to express
Powerful, mature open-source cross-platform game engine for Python
The repository for MonoTorrent, a bittorrent library for .NET
A simple math library for games and computer graphics
A fast and reliable entity component system (ECS) and much more
Library for Switch Homebrew
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
A cross-platform, open-source, pure C game engine for mobile game
Memory Efficient Serialization Library