Open game and rendering engine packed into a JavaScript framework
fheroes2 is a recreation of Heroes of Might and Magic II game engine
A modular Common Lisp game engine
Zig game engine & graphics toolkit
A refreshingly simple data-driven game engine built in Rust
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
The HTML5 Creation Engine
Fast and lightweight JavaScript game engine built on WebGL and glTF
A dead simple 2D game engine for Go
Go bindings for raylib, a simple and easy-to-use library
Open source library for creative expression on the web, desktop, etc.
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
Flax Engine, multi-platform 3D game engine
A game engine with an emphasis on real-time cutting-edge solutions
3D Procedural Game Engine Using OpenGL
3D game engine with lua scripting
The Open Toolkit library is a fast, low-level C# wrapper for OpenGL
A .NET ascii/ansi console engine written in C# for MonoGame and XNA
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Stride (formerly Xenko), a free and open-source cross-platform C# game
3D and 2D game engine written in Rust
Cross-platform game engine in Rust
SDL based generic 2D game engine
Vivid3D is a C++ IDE/3D engine, with python scripting.