Cross-Platform C++ 2D/3D game engine
Highly Optimized Graphics Math (glm) for C
A web-based IDE for HTML5 game development. Powered by Phaser
OBS Linux Vulkan/OpenGL game capture
Open QR Code is an open-source, cross-platform app
Gideros Release version
OpenSoldat is a unique 2D (side-view) multiplayer action game
A shield for the Arduino Mega that can back up video game cartridges
The Open Toolkit library is a fast, low-level C# wrapper for OpenGL
An easy to use 2D HTML5 game engine written in TypeScript
Cross-platform 2D game engine focused on ultimate productivity
Solar2D Game Engine main repository (ex Corona SDK)
The flexible game engine
Free, cross-platform 2D game engine powered by Haxe and OpenFL
Classic 2D side-scrolling platformer game
A Vulkan and OpenGL overlay for monitoring FPS, temperatures, CPU/GPU
Desktop/Android/HTML5/iOS Java game development framework
A game engine powered by python and panda3d
Stride (formerly Xenko), a free and open-source cross-platform C# game
Cross-platform 2D and 3D game engine with modular architecture
Jazz² Resurrection: Open-source reimplementation of Jazz Jackrabbit 2
Easy to use Python library for creating 2D arcade games
Free game engine for development of desktop, mobile, and web games
Official binding of SFML for .Net languages
Pymunk is a easy-to-use pythonic 2d physics library