A certain block game
Do virtual gear shifting (and more) in any rider app
Prince of Persia reimplementation written in HTML5 / JavaScript
The Tiny JavaScript Game Engine That Can!
Xash3D FWGS engine
A dead simple 2D game engine for Go
Voxel game engine in C++ with OpenGL
Open source library for creative expression on the web, desktop, etc.
Open-source OpenGL/SDL2 reimplementation of Sid Meier's Alpha Centauri
A GNU/Linux operating system accessible for visually impaired.
2D game development library for Ruby and C++
The Turn Based Strategy Game/eSport. Master your beasts
A modern re-implementation of the classic DOS game Duke Nukem II
A hand-crafted 2D game library in Go
Fixes for X-Wing game binaries
Source code of the chapters of the book 3D Game Development with LWJGL
A 2d physics game engine for JavaFX
Wireless computer game controller for people with low arm mobility.
A free ActionScript 3 library designed for developing 2D Flash games
Cross-platform 2D game engine