Godot is a powerful cross-platform game engine
Desktop/Android/HTML5/iOS Java game development framework
Open Source MMORPG Framework
One framework for creating powerful cross-platform games
Open source library for creative expression on the web, desktop, etc.
A game framework written with osu! in mind.
Gideros Release version
Game engine supporting many 3D/2D formats and graphic effects
Old-school 2D game engine
All-In-One program that combines multiple Fortnite Dev Account tools.
JavaScript framework to build game engines, games, emulators and apps
TX Library is a tiny graphics library for Win32 written in C++.
Arianne is an engine to develop multiplayer online games like Stendhal
A simple cross-platform game engine for creating old-school 2D games
Game/Scene Development System
INSTEAD - Simple Text Adventure Interpreter.
ReShade is a generic post-processing injector for games and videos.
A free 3D game engine to create games and realtimes scenes for Windows
Updated emulator of Forgotten Realms: Unlimited Adventures
2D Game Engine
A Project which shall result in a Remake of the classic game
A cross platform Lua based game engine
Mad Vandal's FortressCraft Mod Source Code