Godot is a powerful cross-platform game engine
Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc
Transport-based cross-browser bi-directional communication layer
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 2D and 3D game engine with modular architecture
Flax Engine, multi-platform 3D game engine
Cross-Platform C++ 2D/3D game engine
A grid based movement engine compatible with Phaser3
The flexible game engine
Xash3D FWGS engine
A game engine with an emphasis on real-time cutting-edge solutions
A library for accelerating Transformer models on NVIDIA GPUs
A Json based Rules Engine with extensive Dynamic expression support
JavaScript-based game engine designed to empower developers
An OpenGL RTS game engine written in C
V1, Mirror Classic. V2, Mirror Engine: Join Discord for access
Zig game engine & graphics toolkit
The Semantic Engine for Model Context Protocol(MCP)
A modern cross-platform low-level graphics library
A JavaScript engine optimized for running React Native
Solar2D Game Engine main repository (ex Corona SDK)