A game engine powered by python and panda3d
A modular Common Lisp game engine
Eva.js is a front-end game engine for creating interactive projects
A refreshingly simple data-driven game engine built in Rust
Cross-platform 2D and 3D game engine with modular architecture
Stride (formerly Xenko), a free and open-source cross-platform C# game
A game engine with an emphasis on real-time cutting-edge solutions
Svelto ECS C# Entity Component System
SDL based generic 2D game engine
Game framework with AI
Rust library to create a Good Game Easily
The multiplayer game engine
Murder is a pixel art ECS game engine
Entitas is a super fast Entity Component System (ECS) Framework
Engo is an open-source 2D game engine written in Go
Amazon Lumberyard is a free AAA game engine
3D C++ Game Engine - yet another open source game engine
Data-oriented and data-driven game engine written in Rust
A free ActionScript 3 library designed for developing 2D Flash games
Little game background framework in java.