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    54 repositories

    • GameNetworkingSockets

      Public
      Reliable & unreliable messages over UDP. Robust message fragmentation & reassembly. P2P networking / NAT traversal. Encryption.
      networkingpeer-to-peergame-development
      networkingpeer-to-peergame-developmentrealtime-messagingreliable-messages
      C++
      •
      BSD 3-Clause "New" or "Revised" License
      •697•9.4k•57•5•Updated Apr 18, 2026Apr 18, 2026

    • Proton

      Public
      Compatibility tool for Steam Play based on Wine and additional components
      proton
      proton
      C++
      •
      Other
      •1.4k•31k•5k•39•Updated Apr 17, 2026Apr 17, 2026

    • wine

      Public
      Wine with a bit of extra spice
      C
      •
      Other
      •370•1.9k•22•33•Updated Apr 17, 2026Apr 17, 2026

    • dxvk

      Public
      dxvk tree containing branches used by Proton
      C++
      •
      zlib License
      •36•461•0•0•Updated Apr 17, 2026Apr 17, 2026

    • steam-devices

      Public
      List of devices Steam and SteamVR will want read/write permissions on, to help downstream distributions create udev rules/etc
      linuxsteam
      linuxsteam
      MIT License
      •53•207•12•2•Updated Apr 16, 2026Apr 16, 2026

    • gamescope

      Public
      SteamOS session compositing window manager
      C++
      •
      Other
      •401•4.7k•796•91•Updated Apr 7, 2026Apr 7, 2026

    • counter-strike_regional_standings

      Public
      JavaScript
      •53•300•20•12•Updated Apr 6, 2026Apr 6, 2026

    • source-sdk-2013

      Public
      The 2013 edition of the Source SDK
      C++
      •
      Other
      •2.9k•9.7k•367•626•Updated Mar 30, 2026Mar 30, 2026

    • openvr

      Public
      OpenVR SDK
      sdkhardwarevr
      sdkhardwarevrsteamvrsteamvr-pluginopenvr-sdk
      C++
      •
      BSD 3-Clause "New" or "Revised" License
      •1.3k•6.6k•1k•44•Updated Mar 27, 2026Mar 27, 2026

    • steam-audio

      Public
      Steam Audio
      vrspatial-audiosteam-audio
      vrspatial-audiosteam-audio
      C++
      •
      Apache License 2.0
      •224•2.8k•88•9•Updated Mar 25, 2026Mar 25, 2026

    • Unity

      Public
      C#
      •
      BSD 3-Clause "New" or "Revised" License
      •0•49•1•0•Updated Mar 6, 2026Mar 6, 2026

    • Fossilize

      Public
      A serialization format for various persistent Vulkan object types.
      C++
      •
      MIT License
      •68•747•34•1•Updated Feb 26, 2026Feb 26, 2026

    • counter-strike_rules_and_regs

      Public
      CS:GO
      73•615•0•13•Updated Dec 8, 2025Dec 8, 2025

    • SteamOS

      Public
      SteamOS community tracker
      steamos
      steamos
      77•2.2k•1.2k•1•Updated Nov 21, 2025Nov 21, 2025

    • steamvr_unity_plugin

      Public
      SteamVR Unity Plugin - Documentation at: https://valvesoftware.github.io/steamvr_unity_plugin/
      vrsteamvr-plugin
      vrsteamvr-plugin
      C#
      •
      BSD 3-Clause "New" or "Revised" License
      •261•1.1k•333•13•Updated Nov 21, 2025Nov 21, 2025

    • unity-xr-plugin

      Public
      OpenVR plugin for Unity's XR API
      C#
      •
      BSD 3-Clause "New" or "Revised" License
      •65•330•63•9•Updated Oct 29, 2025Oct 29, 2025

    • steam-runtime

      Public
      A runtime environment for Steam applications
      Shell
      •
      Other
      •90•1.4k•168•2•Updated Sep 30, 2025Sep 30, 2025

    • Dota2-Gameplay

      Public
      Public Bug Tracker for Dota 2
      100•1.6k•12k•1•Updated May 23, 2025May 23, 2025

    • steam-for-linux

      Public
      Issue tracking for the Steam for Linux beta client
      linuxsteam
      linuxsteam
      185•4.7k•3.6k•5•Updated Apr 24, 2025Apr 24, 2025

    • steamlink-sdk

      Public
      C
      •107•537•9•1•Updated Mar 17, 2025Mar 17, 2025

    • vkd3d

      Public
      C
      •
      GNU Lesser General Public License v2.1
      •15•213•1•0•Updated Nov 21, 2024Nov 21, 2024

    • halflife

      Public
      Half-Life 1 engine based games
      C++
      •
      Other
      •685•4.3k•2.1k•52•Updated Oct 2, 2024Oct 2, 2024

    • Source-1-Games

      Public
      Source 1 based games such as TF2 and Counter-Strike: Source
      tf2source-engineteam-fortress
      tf2source-engineteam-fortresssource-engine-gamessource-games
      80•762•4.4k•9•Updated Jun 24, 2024Jun 24, 2024

    • SteamVR-for-Linux

      Public
      Issue tracker for the Linux port of SteamVR
      linuxvrsteamvr
      linuxvrsteamvr
      48•1k•423•2•Updated May 7, 2024May 7, 2024

    • csgo-osx-linux

      Public
      Counter-Strike: Global Offensive
      counter-strikecounter-strike-global-offensive
      counter-strikecounter-strike-global-offensive
      68•834•1.8k•2•Updated Apr 22, 2024Apr 22, 2024

    • portal2

      Public
      Issues for the Linux port of Portal 2
      9•156•241•1•Updated Apr 22, 2024Apr 22, 2024

    • steamvr_unreal_plugin

      Public
      SteamVR Input Unreal Plugin - Documentation at: https://github.com/ValveSoftware/steamvr_unreal_plugin/wiki Sample project (UE4.15-4.23): https://githu…
      C++
      •
      Other
      •29•184•21•0•Updated Mar 8, 2024Mar 8, 2024

    • Dota-2-Vulkan

      Public
      Tracker for issues specific to the Vulkan version of Dota 2 on Windows, Linux, and macOS
      vulkandota-2
      vulkandota-2
      11•104•164•2•Updated Dec 4, 2023Dec 4, 2023

    • Dota-2

      Public
      Tracker for issues specific to Linux and Mac in the Reborn client. If you have a general issue or non-system-specific feature request please go to dev.dota2.com
      macoslinuxdota-2
      macoslinuxdota-2
      37•497•665•0•Updated Dec 4, 2023Dec 4, 2023

    • steamos-compositor

      Public
      SteamOS session compositing window manager
      C
      •401•163•3•1•Updated Oct 16, 2023Oct 16, 2023
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