Unleash your creativity with Pixelorama, a powerful and accessible open-source pixel art multitool. Whether you want to create sprites, tiles, animations, or just express yourself in the language of pixel art, this software will realize your pixel-perfect dreams with a vast toolbox of features. Available on Windows, Linux, macOS and the Web!
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A Flutter based game engine.
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D engine that enables developers and content creators to build AAA games, cinema-quality 3D worlds, and high-fidelity simulations without any fees or commercial obligations.
🐍🎮 pygame (the library) is a Free and Open Source python programming language library for making multimedia applications like games built on top of the excellent SDL library. C, Python, Native, OpenGL.
A curated list of Multiplayer Game Network Programming Resources
Industry-standard navigation-mesh toolset for games
Space exploration, trading, and combat game.
Entitas is a super fast Entity Component System (ECS) Framework specifically made for C# and Unity
:video_game: :game_die: A wonderful list of Game Development resources.
A modern & fully featured HTML5 game engine (2D & 3D) for JavaScript/TypeScript, with WebGL/WebGPU rendering, built-in physics, Tiled map & glTF support and WebAudio.
Minecraft: Java Edition 26.3 rewritten from scratch in Rust, checked against vanilla with 281 differential harnesses. Get it with the Horizon launcher.
2D JavaScript Physics Engine
Powerful, mature open-source cross-platform game engine for Python and C++, developed by Disney and CMU
Lightweight and modular C++11 graphics middleware for games and data visualization
Java / JavaFX / Kotlin Game Library (Engine)
A high performance, editable terrain system for Godot 4.
AI Skills, MCP Tools, and CLI for Unity Engine. Full AI develop and test loop. Use cli for quick setup. Efficient token usage, advanced tools. Any C# method may be turned into a tool by a single line. Works with Claude Code, Gemini, Copilot, Cursor and any other absolutely for free.
A curated list of Game Boy development resources such as tools, docs, emulators, related projects and open-source ROMs.
A modern cross-platform low-level graphics library and rendering framework
Terasology - open source voxel world
Godot Minimal Theme
Improved version of the X-Ray Engine, the game engine used in the world-famous S.T.A.L.K.E.R. game series by GSC Game World. Join OpenXRay! ;)
A curated collection of game development learning resources
244 pixel art effects, every one a small piece of code. Plus a Claude Code skill to make your own.