GitHub stars · StarDay

1bobeff / open-source-gamesA list of open source games.PythonCC0-1.0 · Permissive17,742

2ellisonleao / magictools:video_game: :pencil: A list of Game Development resources to make magic happen.MarkdownMIT · Permissive17,705

3PySimpleGUI / PySimpleGUIPython GUIs for Humans! Create any GUI simple or complicated in a way that's intuitive. Launched in 2018. NEW for 2026 - the LGPL3 Version 6. Transforms tkinter, Qt, WxPython, and Remi into a simple, intuitive, and fun experience for both hobbyists and expert users.PythonLGPL-3.0 · Share derivative source13,822

4SFML / SFMLSimple and Fast Multimedia LibraryC++Zlib · Permissive12,100

5pterodactyl / panelPterodactyl® is a free, open-source game server management panel built with PHP, React, and Go. Designed with security in mind, Pterodactyl runs all game servers in isolated Docker containers while exposing a beautiful and intuitive UI to end users.PHPLicense not declared9,471

6electronicarts / EASTLEASTL stands for Electronic Arts Standard Template Library. It is an extensive and robust implementation that has an emphasis on high performance.C++BSD-3-Clause · Permissive9,395

7bottlesdevs / BottlesRun Windows software and games on LinuxPythonGPL-3.0 · Share derivative source9,053

8AssetRipper / AssetRipperGUI application to analyze game filesC#GPL-3.0 · Share derivative source8,849

9tobspr-games / shapez.ioshapez is an open source base building game on Steam inspired by factorio!JavaScriptGPL-3.0 · Share derivative source7,004

10andrewmd5 / Borderless-GamingPlay your favorite games in a borderless window; no more time consuming alt-tabs.C#GPL-2.0 · Share derivative source6,684

11mtkennerly / ludusaviBackup tool for PC game savesRustMIT · Permissive6,531

12MirrorNetworking / Mirror#1 Open Source Unity Networking LibraryC#MIT · Permissive6,388

13carp-lang / CarpA statically typed lisp, without a GC, for real-time applications.HaskellApache-2.0 · Permissive6,088

14partykit / partykitPartyKit simplifies developing multiplayer applicationsTypeScriptMIT · Permissive5,744

15google-deepmind / open_spielOpenSpiel is a collection of environments and algorithms for research in general reinforcement learning and search/planning in games.PythonApache-2.0 · Permissive5,583

16CharlesPikachu / GamesGames: Create interesting games in pure python.PythonApache-2.0 · Permissive5,423

17ultralight-ux / UltralightLightweight, high-performance HTML renderer for game and app developers.CMakeLicense not declared5,026

18clshortfuse / renodxRenovation Engine for DirectX GamesHLSLMIT · Permissive4,702

19BehaviorTree / BehaviorTree.CPPBehavior Trees Library in C++. Batteries included.C++MIT · Permissive4,285

20AntiMicroX / antimicroxGraphical program used to map keyboard buttons and mouse controls to a gamepad. Useful for playing games with no gamepad support.C++GPL-3.0 · Share derivative source4,065