Desktop/Android/HTML5/iOS Java game development framework
Open-source engine for Heroes of Might and Magic III
Cross-Platform C++ 2D/3D game engine
One framework for creating powerful cross-platform games
Solar2D Game Engine main repository (ex Corona SDK)
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Netcode that provides networking capabilities to GameObject workflows
Cross-platform game engine in Rust
Home theater software and entertainment hub for digital media
Accuracy-focused XNA4 reimplementation for open platforms
A dead simple 2D game library for Go
Free, cross-platform 2D game engine powered by Haxe and OpenFL
Gideros Release version
3D modeler, 3D game maker, 3D demo maker
2D game development library for Ruby and C++
Urho3D Game engine
Blueshift is a cross-platform 3D game engine implemented in C++
An open source project for iOS apps to control our product
A cross-platform OpenGL based lightweight scenegraph library
... the open-source glide computer