CustomChromer
Last.ad
FreeBlock ads on the site, Last.fm.
WindowsCreate Your Own
FreeCreate your own extensions using HTML, CSS, and JS.
WindowsFB Rounder
FreeMake rounded corners on different elements of Facebook.
WindowsFacebook Easy-Logout
FreeAdds one click logout to Facebook.
WindowsYahoo Services
FreeQuickly access many of your favorite Yahoo.com sites.
WindowsColor Generator
FreeCustomChromer: Instant Color Data and Adjustments
WindowsFB Refresh
FreeFB Refresh: Personalize Your Facebook Login Screen
Windows