A multi core friendly rigid body physics and collision detection lib
Real-time collision detection and multi-physics simulation for VR
Animation Compression Library
Set of Python modules designed for writing video games
A simple and easy-to-use library to enjoy videogames programming
C# application with primary purpose of farming Steam cards
Open source cross-platform multi-purpose game toolkit
Create Minecraft bots with a powerful and high level JavaScript API
One framework for creating powerful cross-platform games
Retro video game emulation for macOS
An open source flight dynamics & control software library
Video game library manager with support for wide range of libraries
An iOS & tvOS Frontend for Multiple Emulators
Powerful, mature open-source cross-platform game engine for Python
RPG Maker 2000/2003 and EasyRPG games interpreter
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Solar2D Game Engine main repository (ex Corona SDK)
The Open Toolkit library is a fast, low-level C# wrapper for OpenGL
2D game development library for Ruby and C++
A charting and data visualization library for Unity
Gideros Release version
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
Accuracy-focused XNA4 reimplementation for open platforms
Urho3D Game engine
A Steam library categorizing tool