TS-UGOS SO, also known as TS-UGOS 9, is a graphical operating system developed and released by Theorysonic. It was released in June 30, 2001.
- New TheoryDock interface, a dock with applications, pin tabs, etc.
- New Matrix UI interface was introduced, not enabled by default until TS-UGOS TW.
- New applications and improved performance.
- TS-UGOS Speech Recognition