Godot is a powerful cross-platform game engine
Unity3D Client And C# Server Framework
Open source library for N64 development
Desktop/Android/HTML5/iOS Java game development framework
ThinkPHP Framework
A game framework written with osu! in mind.
Gideros Release version
Game engine supporting many 3D/2D formats and graphic effects
PyCAPGE - Python Classic Adventure Point and Click Game Engine
The imaginary eight-bit machine
Modern 3D engine and IDE written using C# and C++.
An API for interacting with Starcraft: Brood War (1.16.1)
Build Cross-platform Applications
Vivid Engine 2 is an open source 3D Engine coded using C# and C++.
An environment to develop games based on a rectangular board
Multimedia asset management and manipulator for Étoilé
Gives agents personality, moods, emotions and emotional attachments.
Modular Gaming Open Source Persistent Browser Based Game Framework
3D Interactive sandbox environment
A lightweight HTML5 Game Engine
An extensible development framework for roleplay games.