ValveSoftware/source-sdk-2013
- Total stars
- 10,109
- Today
- +1since 11:01 UTC
Save to My finds to follow releases and star growth. Saved in this browser.
About the project
Source SDK 2013 is Valve's official source code release for building mods on the Source engine, containing the game code for Half-Life 2, HL2: DM and Team Fortress 2.
Useful for
- Build a custom Source engine mod by compiling the SDK with Visual Studio or podman
- Modify Team Fortress 2 or Half-Life 2 gameplay code and test it locally
- Package and distribute a finished mod on Steam using the Steam Runtime build
README summarized by DeepSeek V4.1 Flash. Details may be inaccurate. Read the original README →
Star growth looks organic. Data as of November 1, 2026, 13:16 UTC.
The star-growth assessment does not verify whether the project is safe to run.
Stars per day
Bars show stars per UTC day; the line is a moving average of available history. Gaps mean missing data, not zero growth. Today's bar is incomplete. Red marks spike days.
Why it’s trending
- Star-counter measurements on 2026-11-01 (UTC), 11:01–13:13: 10108 → 10109 stars (+1). This is the change over that interval.
- Estimated end-of-day forecast: about +3 stars, using observed gains and the previous day.
- GitHub Trending C++ today: #6, +7 stars.
Measured growth: the last 7 completed days
New stars over 7 days: 30. +58% versus the preceding 7 days.
Daily measurements · UTC
- October 25, 2026
- 3
- October 26, 2026
- 2
- October 27, 2026
- 5
- October 28, 2026
- 3
- October 29, 2026
- 3
- October 30, 2026
- 5
- October 31, 2026
- 9
Largest measured day in the last 30 days: 9 · October 31, 2026. Days with data: 30.
Completed days come from GitHub star history; today and forecasts are excluded from this comparison. History checked: November 1, 2026, 13:16 UTC. Sources and measurement limits →
Three GitHub discoveries in each edition
What they do, why they are gaining interest, and what to check before using them.
Editions at 10:00, 16:00, 22:00 MSK.
Numbers
- Total stars
- 10,109
- Today
- +1 star measured 2026-11-01, 11:01–13:13 UTC, ≈ 3 by evening
- Forks
- 3,096
- Issues and pull requests
- 2,106
- Watchers
- 316
- Language
- C++
- Created
- June 26, 2013
- Last push
- October 10, 2026
Star trust
Growth looks organic: forks and discussion are in line with active projects, and stars arrive unevenly, the way people give them.
These are heuristics, not a verdict: we judge by the repository’s behavior, not by a list of stargazers.
Spotted in
- November 1, 2026GitHub Trending C++ today: #6, +7 stars
README badge
Paste it into your README — the badge shows the current magnitude and links to this page.
[](https://gitnova.dev/en/r/ValveSoftware/source-sdk-2013)