Roo Code (prev. Roo Cline) gives you a whole dev team of AI agents
A web-based IDE for HTML5 game development. Powered by Phaser
Unity / XNA game patcher and plugin framework
Unity machine learning agents toolkit
Write your game with TypeScript in UE or Unity
The solution that allows unity games update in runtime
Svelto ECS C# Entity Component System
OpenSoldat is a unique 2D (side-view) multiplayer action game
A game engine powered by python and panda3d
An easy to use 2D HTML5 game engine written in TypeScript
Free, cross-platform 2D game engine powered by Haxe and OpenFL
Pymunk is a easy-to-use pythonic 2d physics library
Free, open source game engine online
This software is a particle effect editing tool
Jazz² Resurrection: Open-source reimplementation of Jazz Jackrabbit 2
Stride (formerly Xenko), a free and open-source cross-platform C# game
Free game engine for development of desktop, mobile, and web games
An MVVM & Databinding framework that can use C# and Lua
One framework for creating powerful cross-platform games
2D JavaScript Physics Engine
Ct.js is a desktop game engine that makes learning programming fun
Gideros Release version
A pure Go game engine
Desktop/Android/HTML5/iOS Java game development framework
The Tiny JavaScript Game Engine That Can!