Stream switch games to your PC via USB or network
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
GemRB is a portable open-source implementation of the Infinity Engine
Orx: Portable Game Engine
Zoomable user interface (ZUI) with file manager, file viewers and more
3D C++ Game Engine - yet another open source game engine
2D Game Engine
2D Game Engine with Lua Scripting made on top of SFML
Character animation system for games and simulations.
Open-source, cross-platform, C++ game engine for creating 2D/3D games
plugin-based RPG manager in C++ and Qt5
Positional Audio Communication for Minecraft with Mumble
3D Game engine
AOnow winamp plugin for Anarchy Online and Age of Conan
PixelLight is a cross-platform application framework
Cross-platform 2D game engine