Google Desktop

Google Desktop screenshots

It's a desktop search application that provides full text search over your email
Google Desktop : sidebar

Alternative downloads

Google Desktop Plugin - Calendar
1.2.1
FREE
Add a calendar to the side bar of Google Desktop Search.
Sims Launch
4.1
FREE
Can store all the editing programs for The Sims and The Sims 2 in one launcher.
Cairo Desktop
1.0
FREE
Useful and reliable desktop tool.