Solar2D Game Engine main repository (ex Corona SDK)
Xash3D FWGS engine
The ioquake3 community effort to continue supporting/developing id's
Free game engine for development of desktop, mobile, and web games
The game engine for everyone
Voxel game-creation platform with easy modding and game creation
Descent 3 by Outrage Entertainment
Powerful, mature open-source cross-platform game engine for Python
A refreshingly simple data-driven game engine built in Rust
A .NET ascii/ansi console engine written in C# for MonoGame and XNA
Multi-platform 2D and 3D game engine
A Flutter based game engine
Zig game engine & graphics toolkit
Cross-platform game engine in Rust
Recreation of the classic Grand Theft Auto III game executable
An easy to use 2D HTML5 game engine written in TypeScript
Go bindings for raylib, a simple and easy-to-use library
Stride (formerly Xenko), a free and open-source cross-platform C# game
3D Procedural Game Engine Using OpenGL
A game framework written with osu! in mind.
Cross-platform 2D and 3D game engine with modular architecture
New Godot bindings for Swift
A completely free, open-source, 2D game engine
A dead simple 2D game engine for Go
A 2D rigid body physics engine for the web