Godot is a powerful cross-platform game engine
Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc
Sceneform Maintained is an ARCore Android SDK with Google Filament
Solar2D Game Engine main repository (ex Corona SDK)
A JavaScript engine optimized for running React Native
Open source routing engine for OpenStreetMap
3D PBR Texture Painting Software
Innovative user interfaces made easy
UCI chess engine
Sandbox video game with a powerful physics engine
A safe home for all your data
Open source voxel game engine with support for survival and crafting
Open QR Code is an open-source, cross-platform app
JUCE is an open-source cross-platform C++ application framework
Java/JavaFX/Kotlin Game Library (Engine)
Open source text shaping engine
Realtime application framework (Node.JS server)
The game engine for everyone
Template-driven engine to generate documentation
Home theater software and entertainment hub for digital media
Real-time physically based rendering engine for Android, iOS, and more
Capstone disassembly/disassembler framework
Vircadia open source metaverse platform
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Open-source engine for Heroes of Might and Magic III