Powerful, mature open-source cross-platform game engine for Python
Dust3D is a cross-platform open-source 3D modeling software
LayaAir is an open-source 2D/3D engine
Open source clone of the Age of Empires II engine
A refreshingly simple data-driven game engine built in Rust
An iOS & tvOS Frontend for Multiple Emulators
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
A Flutter based game engine
An open source flight dynamics & control software library
3D Procedural Game Engine Using OpenGL
The HTML5 Creation Engine
Skript is a Bukkit plugin which allows server admins
3D and 2D game engine written in Rust
A Minecraft mod designed to improve frame rates
Vulkan renderer mod for Minecraft
A retro game engine for Python
Modern, lightweight and efficient 2D level editor
A pure Go game engine
Games for the INSTEAD game engine
A multi core friendly rigid body physics and collision detection lib
Open-source engine for Heroes of Might and Magic III
The Open Toolkit library is a fast, low-level C# wrapper for OpenGL
The Tiny JavaScript Game Engine That Can!
A fresh & lightweight javascript game engine
ThinkPHP Framework