TinyPaste Uploader – Firefox add-on that creates a links that shares your paste text.
A Songbird add-on that allows you to search for similar artistS
A great FileMaker Pro plug-in for file linking.
Free Adium Xtra to be used all those times when file transfer doesn’t work for whatever reason
Firefox add-on that converts mistyped URLs into valid ones
Firefox add-on that allows you to create links to specific quotes on the Web using citebite.com.
Firefox add-on that adds a shortcut towards Facebook from your sidebar.
Firefox add-on that changes phone numbers into Click to Dial links.