Ct.js is a desktop game engine that makes learning programming fun
The game engine for everyone
Voxel game engine in C++ with OpenGL
Cross-platform game engine in Rust
3D and 2D game engine written in Rust
Open source clone of the Age of Empires II engine
Open source library for creative expression on the web, desktop, etc.
Svelto ECS C# Entity Component System
SDL based generic 2D game engine
Modified source engine (2017) developed by valve and leaked in 2020
2D Game Engine
Data-oriented and data-driven game engine written in Rust
Simple and low-consumption Java 2D Game Engine
A lightweight HTML5 Game Engine
Java Client + JS/Canvas Server-Side System, with maintained Objects