A simple and easy-to-use library to enjoy videogames programming
Godot is a powerful cross-platform game engine
Enables Roblox developers to use professional software tools
Desktop/Android/HTML5/iOS Java game development framework
Open source library for N64 development
CTFs as you need them
Open source library for creative expression on the web, desktop, etc.
Fast and lightweight JavaScript game engine built on WebGL and glTF
Gideros Release version
Open source HTML5 game framework that offers WebGL and Canvas
Self-hosted CMS platform based on the Laravel PHP Framework
One framework for creating powerful cross-platform games
Real Time Strategy game engine supporting early Westwood classics
Open Source MMORPG Framework
You can make it - Open Source MMORPG Platform
A game framework written with osu! in mind.
Unity3D Client And C# Server Framework
ThinkPHP Framework
Arianne is an engine to develop multiplayer online games like Stendhal
Orx: Data-Driven Game Engine
TX Library is a tiny graphics library for Win32 written in C++.
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 !
An isometric arcade-style game of skill, puzzles and exploration