Godot Engine – Multi-platform 2D and 3D game engine

Animated sprite editor & pixel art tool (Windows, macOS, Linux)

DuckDB is an analytical in-process SQL database management system

Cocos2d-x is a suite of open-source, cross-platform, game-development tools utilized by millions of developers across the globe. Its core has evolved to serve as the foundation for Cocos Creator 1.…

An open source re-implementation of RollerCoaster Tycoon 2 🎢

Luanti (formerly Minetest) is an open source voxel game-creation platform with easy modding and game creation

Algorithm and data structure articles for https://cp-algorithms.com (based on http://e-maxx.ru)

MAME

Cocos simplifies game creation and distribution with Cocos Creator, a free, open-source, cross-platform game engine. Empowering millions of developers to create high-performance, engaging 2D/3D gam…

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 wit…

LÖVE is an awesome 2D game framework for Lua.

Animated sprite editor & pixel art tool -- Fork of the last GPLv2 commit of Aseprite

A lightweight, fast and extensible game server for Minecraft

Powerful, mature open-source cross-platform game engine for Python and C++, developed by Disney and CMU

Open-source, cross-platform, C++ game engine for creating 2D/3D games.

Game engine

A powerful free cross-platform RTS game engine. - Report issues at https://springrts.com/mantis/

Open-source data modeling tool designed for PostgreSQL. No more typing DDL commands. Let pgModeler do the work for you!

The Atomic Game Engine is a multi-platform 2D and 3D engine with a consistent API in C++, C#, JavaScript, and TypeScript

Solar2D Game Engine main repository (ex Corona SDK)

Amazon Lumberyard is a free AAA game engine deeply integrated with AWS and Twitch – with full source.

2D game development library for Ruby and C++

A cross-platform 2D game engine

2D Game Engine with Lua Scripting made on top of SFML !

Synergistic fusion of privacy-enhancing technologies for enhanced privacy protection.