Top 23 Valve Open-Source Projects

1. ArchiSteamFarm

   1 96 11,997 9.9 C#

   C# application with primary purpose of farming Steam cards from multiple accounts simultaneously.

   

2. InfluxDB

   www.influxdata.com featured

   InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.

   

3. bazzite

   2 33 5,409 9.9 Shell

   Bazzite makes gaming and everyday use smoother and simpler across desktop PCs, handhelds, tablets, and home theater PCs.

   

   Project mention: By Default, Signal Doesn't Recall | news.ycombinator.com | 2025-05-21

   I've been gaming on it exclusively for over a year and between it, Steam, and Proton, I'm yet to encounter a game in my steam library that doesn't run.

   https://bazzite.gg/

4. SteamKit

   3 6 2,769 9.3 C#

   SteamKit2 is a .NET library designed to interoperate with Valve's Steam network. It aims to provide a simple, yet extensible, interface to perform various actions on the network.

   

5. millennium

   4 1 1,837 9.8 C++

   Apply themes/skins/customize Steam® after the 2023-04-27 Chromium UI update

   

6. ValveResourceFormat

   5 35 1,778 9.8 C#

   🔬 Valve's Source 2 resource file format parser, decompiler, and exporter.

   

   Project mention: Ask HN: Parser for the vdata format used in the Source 2 engine? | news.ycombinator.com | 2024-08-12

   Maybe https://github.com/ValveResourceFormat/ValveResourceFormat?t... ?

7. UWPHook

   6 60 1,772 7.1 C#

   🔗 Add your Windows Store or UWP games to Steam

   

8. Depressurizer

   7 29 1,466 0.5 C#

   A Steam library categorizing tool.

   

9. SaaSHub

   www.saashub.com featured

   SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

   

10. steam

    8 2 1,166 0.0 Python

    ☁️ Python package for interacting with Steam

    

11. SteamTracking

    9 19 955 9.8 JavaScript

    🕵 Tracking things, so you don't have to

    

12. portal2vr

    10 6 841 3.4 C++

    Portal 2 VR Mod

    

13. GameTracking-CS2

    11 90 713 8.7 JavaScript

    📥 Game Tracker: Counter-Strike 2

    

14. GameTracking-Dota2

    12 127 697 9.4 Lua

    📥 Game Tracker: Dota 2

    

15. mastercomfig

    13 208 667 3.3 Python

    A modern customization framework for Team Fortress 2

    

16. SFP

    14 7 609 7.1 C#

    This utility is designed to allow you to apply skins to the modern Steam client

    

17. VAC-Bypass

    15 23 582 0.0 C

    Valve Anti-Cheat bypass written in C.

    

18. awesome-steam-deck

    16 4 506 3.2

    A curated list of awesome Steam Deck software, resources and more.

    

19. VAC-Bypass-Loader

    17 29 480 0.0 C

    Loader for VAC Bypass written in C.

    

20. AreWeAntiCheatYet

    18 385 443 9.5 TypeScript

    A comprehensive and crowd-sourced list of games using anti-cheats and their compatibility with GNU/Linux or Wine.

    

    Project mention: The Windows Subsystem for Linux is now open source | news.ycombinator.com | 2025-05-19

21. Protobufs

    19 6 434 9.3 Shell

    👑 Automatically tracked Steam, CS2, Dota 2, Deadlock, TF2 protobufs.

    

22. halflife-updated

    20 5 425 7.8 C++

    Half-Life SDK updated to compile under VS2019 and 2022. Check README.md for more information.

    

23. Half-Life-Alyx-novr

    21 13 410 2.3 C++

    SteamVR driver for Half-Life-Alyx for playing without VR / драйвер для игры без VR

    

24. fluids

    22 1 390 9.4 Python

    Fluid dynamics component of Chemical Engineering Design Library (ChEDL)

    

25. SourceBans++

    23 0 344 7.7 PHP

    Admin, ban, and comms management system for the Source engine

    

26. SaaSHub

    www.saashub.com featured

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

    

Valve related posts

• Ask HN: Parser for the vdata format used in the Source 2 engine?

  1 project | news.ycombinator.com | 12 Aug 2024

• Source 2 Viewer

  1 project | news.ycombinator.com | 3 Jul 2024

• Brody Foxx is now official in roblox TF2, how do you feel about this?

  1 project | /r/tf2 | 11 Dec 2023

• There is no problem with Quest 3.

  1 project | /r/OculusQuest | 9 Dec 2023

• I see your 3 thousand hours, and raise you:

  1 project | /r/Portal | 9 Dec 2023

• Some PCVR games released in 2023 that I enjoyed.

  4 projects | /r/virtualreality | 5 Dec 2023

• Counter-Strike 2 Update #2 for 11/2/2023

  1 project | /r/GlobalOffensive | 4 Nov 2023
• A note from our sponsor - InfluxDB
  www.influxdata.com | 22 May 2025

  InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now. Learn more →

Index

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