A fast and reliable entity component system (ECS) and much more
A Flutter based game engine
Java/JavaFX/Kotlin Game Library (Engine)
Cross-platform 2D and 3D game engine with modular architecture
Unity3D Client And C# Server Framework
Free game engine for development of desktop, mobile, and web games
A modular Common Lisp game engine
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
Godot game template and component-based framework
A refreshingly simple data-driven game engine built in Rust
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
A game engine with an emphasis on real-time cutting-edge solutions
Svelto ECS C# Entity Component System
Stride (formerly Xenko), a free and open-source cross-platform C# game
Enigma is a puzzle game
Internet server for Linux Air Combat
VR Adrix Java Works - Paged Lists - Action-Entity Model ...
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
Eva.js is a front-end game engine for creating interactive projects
Engo is an open-source 2D game engine written in Go
Vivid is a modern C++ 3D engine using OpenGL4+