bug Error or defect. First "actual" bug found in the Harvard Mark II when a moth was trapped in a relay on September 9, 1947.  Wikipedia         
Dreamcast Video game console made by Sega. Released in Japan November 27, 1998. Released in North America September 9, 1999.  Wikipedia         
Nokia 8110 Phone famously featured in the movie The Matrix. Announced September 9, 1996.  Wikipedia         
phpMyAdmin Interface for managing MySQL databases through a web browser. First released September 9, 1998.  Wikipedia