A curated list of open-source video games and open-source remakes of commercial games, grouped by genre.
Free, open-source software for recording and live-streaming video, with scene composition from screen, window, camera, and media sources.
A C library for videogame programming with 2D/3D graphics, input, audio, and windowing across desktop, mobile, web, and embedded platforms.
Open-source pixel art editor for creating sprites, tilemaps, and frame-based animations, built with Godot.
A data-driven, ECS-based game engine written in Rust, supporting both 2D and 3D games.
Open source video game library manager and launcher that unifies games from Steam, Epic, GOG, EA App, Battle.net and other sources.
Web panel for managing game servers, running each server in an isolated Docker container with a React UI for end users.
Open-source real-time strategy engine that runs early Westwood classics like Command & Conquer: Red Alert on modern systems.
Open source server powering lichess.org, a free, ad-free online chess platform with realtime games, analysis, and tournaments.
An open-source rules engine and game client for Magic: The Gathering, playable on desktop and Android.
Open-source cross-platform game engine written in C#, with a visual editor called Game Studio.
A free, open source, cross-platform client and automation assistant for Ragnarok Online written in Perl.
An alternative Tibia game client for OTServ servers, written in C++20 with its interface and game logic scripted in Lua.