game-development

a list of curated opensource Unity packages for future proof Game Developers

Free, easy, portable audio engine for games

An open source library for creative expression on the web, desktop, mobile and consoles. Inspired by the classic Flash and AIR APIs.

A tiny hardware-accelerated pixel frame buffer. 🦀

The official Allegro 5 git repository. Pull requests welcome!

Production-grade MCP server and AI tools for the Godot engine. A Snap to install. Totally free and fun.

Python MUD/MUX/MUSH/MU* development system

2D game development library for Ruby and C++

Fixes compatibility issues with older games running on Windows 10/11 by wrapping DirectX dlls. Also allows loading custom libraries with the file extension .asi into game processes.

A cross-platform minigolf game written in C.

Model Context Protocol (MCP) plugin to connect with Unity Editor — designed for Cursor, Claude Code, Codex, Windsurf and other IDEs

Manually tweaked, auto-generated raylib bindings for zig. https://github.com/raysan5/raylib

A high-performance C# based Archetype & Chunks Entity Component System (ECS) with optional multithreading.

UPBGE, the best integrated game engine in Blender

Esoterica Engine

🦖 A JavaScript/TypeScript Game Library that feels like a game.

Open source C++ physics engine library in 3D

ORX: Data-Driven Game Engine

Multiplayer game server based on Node.JS

Microsoft Public GDK

Create characters in Unity with LLMs!

A pure Go game engine

🐍🎮 pygame - Community Edition is a FOSS Python library for multimedia applications (like games). Built on top of the excellent SDL library.

Rednex Game Boy Development System - An assembly toolchain for the Nintendo Game Boy and Game Boy Color

Multiplayer top-down shooter made from scratch in C++. Web version: https://play.hypersomnia.io Made in 🇵🇱

Godot template with a main menu, options menus, pause menu, credits, scene loader, extra tools, and an example game scene.

A simple, physics-based animation library 🎼

A simple math library for games and computer graphics. Compatible with both C and C++. Public domain and easy to modify.

Animation Compression Library

Quilkin is a non-transparent UDP proxy specifically designed for use with large scale multiplayer dedicated game server deployments, to ensure security, access control, telemetry data, metrics and more.