Source SDK 22.214.171.124 is free to download from our software library. The Source SDK installer is commonly called SDK Config.exe, steam.exe or UCL.exe etc. The actual developer of the free software is Valve. ".vst" is the extension this free PC software can operate with. Source SDK lies within Games, more precisely Action. The following version: 1.0 is the most frequently downloaded one by the program users.
From the developer:
Valve’s Source engine is widely recognized as the most flexible, comprehensive,
and powerful game development environment available.
You may want to check out more software, such as Source SDK Base, RTSP-RTMP DirectShow Source SDK evaluation or Source Insight, which might be related to Source SDK.