UCI chess engine
Godot is a powerful cross-platform game engine
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Xash3D FWGS engine
Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc
Cocos simplifies game creation and distribution with Cocos Creator
Solar2D Game Engine main repository (ex Corona SDK)
Open source voxel game engine with support for survival and crafting
Multi-platform 2D and 3D game engine
A modern cross-platform low-level graphics library
A JavaScript engine optimized for running React Native
Open source routing engine for OpenStreetMap
Chess training program playing gambits
Satisfying monster shooter
A promising chess program
Voxel game-creation platform with easy modding and game creation
Real-time physically based rendering engine for Android, iOS, and more
Open QR Code is an open-source, cross-platform app
Innovative user interfaces made easy
Tool to build cross-platform and high-performance awesome apps
Embed web technologies in applications
New Godot bindings for Swift
JUCE is an open-source cross-platform C++ application framework
SwiftShader is a high-performance CPU-based implementation
The game engine for everyone