Godot is a powerful cross-platform game engine
A simple and easy-to-use library to enjoy videogames programming
Enables Roblox developers to use professional software tools
Desktop/Android/HTML5/iOS Java game development framework
One framework for creating powerful cross-platform games
Fast and lightweight JavaScript game engine built on WebGL and glTF
Open source HTML5 game framework that offers WebGL and Canvas
Real Time Strategy game engine supporting early Westwood classics
Open game and rendering engine packed into a JavaScript framework
Open Source MMORPG Framework
A game framework written with osu! in mind.
ThinkPHP Framework
Gideros Release version
Open source library for creative expression on the web, desktop, etc.
You can make it - Open Source MMORPG Platform
lua dev plugin for unreal engine 4 or 5
Self-hosted CMS platform based on the Laravel PHP Framework
Unity3D Client And C# Server Framework
CTFs as you need them
All-In-One program that combines multiple Fortnite Dev Account tools.
Arianne is an engine to develop multiplayer online games like Stendhal
TX Library is a tiny graphics library for Win32 written in C++.
Game engine supporting many 3D/2D formats and graphic effects
A Complete WebGPU Game Engine for Browser & Desktop Arcade Oriented
Ze Text Adventure game Builder : Create as you play !