Sonar

Sonar Screensaver 1.00.1.214

Will turn your PC into underwater sonar outpost

License: Free to try , $19.95 to buy.
Size: 2.57MB
Release date: 30th January 2008

LvB's X 1.02

Virtual Music Composer

License: Demo , $74.95 to buy.
Size: 10.80MB
Release date: 14th November 2005