A high-performance, industry-standard 2D physics engine built on Box2D
Svelto ECS C# Entity Component System
Embeddable unity game engine view for Flutter
Murder is a pixel art ECS game engine
Entitas is a super fast Entity Component System (ECS) Framework
Open source reimplementation of GTA San Andreas game engine in Unity
Open source reimplementation of GTA San Andreas game engine in Unity
3D C++ Game Engine - yet another open source game engine
Clojure in Unity
online 4X browser game engine
Educational framework for OpenGLES, OpenCL and OpenAL
OSGET is the first open source mobile game engine template.
Cross-platform 2D gaming middleware