TS-UGOS ST, also known as TS-UGOS 16 (codenamed Blackstone), is a graphical personal computer developed and released by Theorysonic. Released on September 6, 2015, it is the last version of the operating system to be released under the TS-UGOS name.


The first beta version was released in September 2014 for developers. The second public beta version was released in January 2015. The third public beta version was released in April 2015. The release candidate version was released in July 2015. 

New features

  • Minor improvements.
  • Optimized storage.
  • Optimized performance.
  • Redesigned TheoryMedia app.
  • USB Type-C support.

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