Moonlight port for Nintendo Switch
A charting and data visualization library for Unity
Cross-Platform C++ 2D/3D game engine
Open source clone of the Age of Empires II engine
Solar2D Game Engine main repository (ex Corona SDK)
A game of dungeon exploration, combat and magic
Mangos ZERO is a server for World of Warcraft
The Open Toolkit library is a fast, low-level C# wrapper for OpenGL
A .NET ascii/ansi console engine written in C# for MonoGame and XNA
Cross-platform, open source, and super fast MUD client with scripting
RPG Maker 2000/2003 and EasyRPG games interpreter
A game framework written with osu! in mind.
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
A shield for the Arduino Mega that can back up video game cartridges
3D game engine/framework in C, with Luajit and Python bindings now
A pure Go game engine
Gideros Release version
2D game development library for Ruby and C++
Open-source engine for Heroes of Might and Magic III
Homebrew development library for Nintendo 3DS/Horizon OS user mode
The flexible game engine
An open source reimplementation of the Among Us Server
Svelto ECS C# Entity Component System
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Netcode that provides networking capabilities to GameObject workflows