Steamos GitHub Repositories (2026) · Open Source Tools

Valve's official ARM64 SteamOS in a lightweight VM on Apple Silicon: libkrun + Venus + MoltenVK, controllers, CoreAudio sound

Multi-screen KDE Plasma desktop and universal 3D mouse for the Valve Steam Frame (SteamVR)

Tender — your RomM library, running native in Steam. Decky Loader plugin for the Steam Deck: library sync, ROM downloads, BIOS management and save sync.

GUI tool to edit GTA San Andreas savegames.

Installs the latest UMU/GE-Proton and Non Steam Launchers under 1 Proton prefix folder and adds them to your steam library. Installs... Battle.net, Epic Games, Ubisoft, GOG, EA App, Amazon Games, itch.io , Legacy Games, The Humble Games Collection, IndieGala, Rockstar Games Launcher,PS Plus, Glyph, VKPlay & HoYoPlay, Waydroid and Games on SD Card.

Decky plugin: an immersive Steam plugin with HowLongToBeat times, descriptions and store info

Frame Control: a free, open-source app for Valve Steam Frame on macOS, Windows, Linux and iPhone. View the headset, install games and apps, transfer files, and manage your Frame.

Unofficial static recompilation of the Xbox 360 version of Need for Speed: Most Wanted (2005): a native port for Steam Deck, Steam Machine, Steam Frame, Linux and Mac (iPhone/iPad: sideload the experimental IPA or build it yourself). Bring your own disc: no game files included. Not affiliated with EA or Valve.