A simple and easy-to-use library to enjoy videogames programming
Desktop/Android/HTML5/iOS Java game development framework
Godot is a powerful cross-platform game engine
Enables Roblox developers to use professional software tools
CTFs as you need them
Real Time Strategy game engine supporting early Westwood classics
One framework for creating powerful cross-platform games
Gideros Release version
Open source HTML5 game framework that offers WebGL and Canvas
Self-hosted CMS platform based on the Laravel PHP Framework
Fast and lightweight JavaScript game engine built on WebGL and glTF
Open Source MMORPG Framework
lua dev plugin for unreal engine 4 or 5
Unity3D Client And C# Server Framework
Open source library for creative expression on the web, desktop, etc.
You can make it - Open Source MMORPG Platform
ThinkPHP Framework
A game framework written with osu! in mind.
Arianne is an engine to develop multiplayer online games like Stendhal
Orx: Portable Game Engine
TX Library is a tiny graphics library for Win32 written in C++.
JavaScript framework to build game engines, games, emulators and apps
All-In-One program that combines multiple Fortnite Dev Account tools.
Vivid3D is a C++ IDE/3D engine, with python scripting.
Ze Text Adventure game Builder : Create as you play !