Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
User-friendly AI Interface
Godot is a powerful cross-platform game engine
Open QR Code is an open-source, cross-platform app
Transport-based cross-browser bi-directional communication layer
Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc
Fast and lightweight JavaScript game engine built on WebGL and glTF
Cocos simplifies game creation and distribution with Cocos Creator
3D engine with modern graphics
Multi-platform 2D and 3D game engine
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Cross-Platform C++ 2D/3D game engine
Open Source Routing Machine - C++ backend
Cross-platform 2D and 3D game engine with modular architecture
A grid based movement engine compatible with Phaser3
The flexible game engine
A library for accelerating Transformer models on NVIDIA GPUs
An open source, general-purpose policy engine
A game engine with an emphasis on real-time cutting-edge solutions
A Json based Rules Engine with extensive Dynamic expression support
Xash3D FWGS engine
An OpenGL RTS game engine written in C
A modern cross-platform low-level graphics library
An open source flight dynamics & control software library
The Semantic Engine for Model Context Protocol(MCP)