Magic Another Game Engine
Cross-platform 2D and 3D game engine with modular architecture
New Godot bindings for Swift
The ioquake3 community effort to continue supporting/developing id's
Multi-platform 2D and 3D game engine
The HTML5 Creation Engine
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
A Flutter based game engine
High performance UI layout library in C
A game framework written with osu! in mind.
3D Procedural Game Engine Using OpenGL
2D JavaScript Physics Engine
Zig game engine & graphics toolkit
Cross-platform game engine in Rust
Injectable LUA scripting system, SDK generator, live property editor
Free, open source game engine online
Amateur 3D Game Engine
SDL based generic 2D game engine
Here we're trying to create the easiest open-source game engine.
Orx: Portable Game Engine
Game engine supporting many 3D/2D formats and graphic effects
PyCAPGE - Python Classic Adventure Point and Click Game Engine
Haskell game engine library for roguelike dungeon crawlers