Valve Software
Portfolio concentration
84%
Top three share
Shows whether the organization is driven by one breakout repo or several visible projects.
Breadth
30 repos
Visible snapshot
10 repositories updated in the last 90 days.
Leading language
Unknown
Portfolio mix
Unknown (9), C++ (8), C (6)
Average size
1.8K
Stars per repository
Useful for distinguishing one flagship-heavy publisher from a repeatable portfolio.
84%
of the visible star count comes from this organization's top three repositories.
1.8K
stars per repository in this same snapshot.
Unknown
is the most common language here, with 10 repositories updated in the last 90 days.
Why this rank
This organization stands out because one flagship repo drives 58% of its visible star count.
Organization pages work best when you separate portfolio breadth from flagship concentration. In Valve Software's case, the visible top three repositories account for about 84% of total stars in this snapshot, which helps explain whether the organization is known for one breakout project or for a broader repeatable portfolio.
The dominant language mix here is Unknown (9), C++ (8), C (6). That makes this page useful not just for popularity checks, but also for seeing what technical shape an organization's public ecosystem actually has.
Top Repositories
| # | Repository | Language | ⭐ Stars | 🍴 Forks | Updated |
|---|---|---|---|---|---|
| 1 | valvesoftware/Proton Compatibility tool for Steam Play based on Wine and additional components | C++ | 31.7K | 1.5K | Today |
| 2 | valvesoftware/GameNetworkingSockets Reliable & unreliable messages over UDP. Robust message fragmentation & reassembly. P2P networking / NAT traversal. Encryption. | C++ | 9.6K | 713 | Today |
| 3 | valvesoftware/gamescope SteamOS session compositing window manager | C++ | 4.8K | 350 | 2 days ago |
| 4 | valvesoftware/wine Wine with a bit of extra spice | C | 2K | 396 | Today |
| 5 | valvesoftware/Dota2-Gameplay Public Bug Tracker for Dota 2 | 1.6K | 102 | 1 years ago | |
| 6 | valvesoftware/Fossilize A serialization format for various persistent Vulkan object types. | C++ | 751 | 70 | 3 weeks ago |
| 7 | valvesoftware/counter-strike_rules_and_regs CS:GO | 618 | 74 | 5 months ago | |
| 8 | valvesoftware/steamlink-sdk | C | 546 | 108 | 1 years ago |
| 9 | valvesoftware/IndexHardware | 537 | 28 | 6 years ago | |
| 10 | valvesoftware/dxvk dxvk tree containing branches used by Proton | C++ | 468 | 39 | Today |
| 11 | valvesoftware/unity-xr-plugin OpenVR plugin for Unity's XR API | C# | 334 | 66 | 7 months ago |
| 12 | valvesoftware/counter-strike_regional_standings | JavaScript | 315 | 55 | 3 weeks ago |
| 13 | valvesoftware/ArtifactDeckCode Reference code and documentation for Artifact deck codes | PHP | 275 | 28 | 7 years ago |
| 14 | valvesoftware/steam-devices List of devices Steam and SteamVR will want read/write permissions on, to help downstream distributions create udev rules/etc | 224 | 57 | 1 months ago | |
| 15 | valvesoftware/vkd3d | C | 217 | 16 | 1 years ago |
| 16 | valvesoftware/steamvr_unreal_plugin SteamVR Input Unreal Plugin - Documentation at: https://github.com/ValveSoftware/steamvr_unreal_plugin/wiki Sample project (UE4.15-4.23): https://github.com/ValveSoftware/steamvr_unreal_plugin/wiki/sample/SteamVRInputPlugin.zip Sample Project (UE.424+): https://github.com/ValveSoftware/steamvr_unreal_plugin/wiki/sample/SteamVRInputPlugin_UEIntegrated.7z | C++ | 186 | 30 | 2 years ago |
| 17 | valvesoftware/steamos-compositor SteamOS session compositing window manager | C | 169 | 411 | 2 years ago |
| 18 | valvesoftware/Moondust | C# | 166 | 28 | 7 years ago |
| 19 | valvesoftware/openxr_engine_plugins Contains Valve-provided plugins for using OpenXR extensions with various game engines | Mathematica | 58 | 15 | 3 years ago |
| 20 | valvesoftware/Unity | C# | 54 | 5 | Today |
| 21 | valvesoftware/ffts The Fastest Fourier Transform in the South | 36 | 8 | 5 years ago | |
| 22 | valvesoftware/eigen Fork of Eigen release version 3.4. Adds ability to use alternate threading systems from Open MP. | C++ | 33 | 4 | 3 years ago |
| 23 | valvesoftware/Dota-Underlords Tracker for issues specific to the Linux and macOS client of Dota Underlords | 29 | 6 | 6 years ago | |
| 24 | valvesoftware/ExoPlayer An extensible media player for Android | Java | 24 | 6 | 8 years ago |
| 25 | valvesoftware/tbb Valve mirror of Intel(R) Threading Building Blocks (Intel TBB) GitHub repository | C++ | 19 | 6 | 7 years ago |
| 26 | valvesoftware/OpenXR-Canonical-Pose-Tool A tool to help OpenXR runtime developers match their poses to other runtimes' poses. | C | 18 | 2 | 3 years ago |
| 27 | valvesoftware/embree Embree ray tracing kernels repository. | 16 | 8 | 5 years ago | |
| 28 | valvesoftware/libmysofa Reader for AES SOFA files to get better HRTFs | C | 12 | 6 | 4 years ago |
| 29 | valvesoftware/VR-Community-Bugs Repository for VR Bugs reported through tickets and community outreach | 8 | 0 | 7 years ago | |
| 30 | valvesoftware/tracy Frame profiler | 3 | 0 | 1 weeks ago |
Next step after the organization read
Learn and methodology
How to read this organization snapshot
Total stars are useful as a discovery signal, but they do not tell you whether a team maintains every repository equally. Pair this page with release cadence, maintainer activity, and the flagship concentration shown above before making adoption decisions.
For broader background on GitStar's ranking logic and editorial guidance, see Methodology & Editorial Standards.