Stars
Godot Engine – Multi-platform 2D and 3D game engine
A refreshingly simple data-driven game engine built in Rust
Carbon Language's main repository: documents, design, implementation, and related tools. (NOTE: Carbon Language is experimental; see README)
Toolset for producing emergent gameplay for games written in Rust
Bullet Physics SDK: real-time collision detection and multi-physics simulation for VR, games, visual effects, robotics, machine learning etc.