Antares

Antares is VB.NET OS made by AnGoSys. it was first released in September 2011. The latest version Antares B, was released in December 2012. The next version and Antares' successor, Altair was cancelled in August 26, 2012. AS OF 2015, no new OSes was released.

Antares 1.0
First released in August 2011

Antares B (version 1.5)
Released in December 9, 2012 It has new features:


 * Photo Viewer
 * Console 2.0
 * Smooth-transition

Official website
Link