Desktop/Android/HTML5/iOS Java game development framework
A cross-platform PSP emulator
Voxel game-creation platform with easy modding and game creation
One framework for creating powerful cross-platform games
Do virtual gear shifting (and more) in any rider app
Home theater software and entertainment hub for digital media
Netcode that provides networking capabilities to GameObject workflows
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Free, cross-platform 2D game engine powered by Haxe and OpenFL
Cross-platform game engine in Rust
3D modeler, 3D game maker, 3D demo maker
GemRB is a portable open-source implementation of the Infinity Engine
Android, UIQ 3.0, Series 60 Edition 5 open-source software
Urho3D Game engine
KotCity, an open source city simulator
A cross-platform interpreter for many point-and-click adventure games
Open-source, cross-platform, C++ game engine for creating 2D/3D games
Leave a mark in space and try to get the highest score possible.
Cross-platform 2D game engine
... the open-source glide computer