Firefox Add On Websites
UserLogos.org
UserLogos dot org provides logos, background, and themes for the fast dial firefox extension. It is a community driven site, where hundreds of users provide free custom logos for fast dial.
43,722 
$ 190,080.00
Pullquote: link to a paragraph, not a web page
Use Pullquote to create a link to a paragraph on a web page. Pullquote is great for micro-bookmarking or tweeting about key ideas.
590,377 $ 1,200.00
Smart Address Bar: Search Suggestions to Help You Surf the Web Faster
Get Search Suggestions right in your address bar. The Smart Address Bar Suggests Cool Sites and Related Search Terms While You Type. Surf the Web Faster With Smart Address Bar
116,328 $ 58,800.00
Undo Closed Tabs Button :: InBasic.NET
allows you to undo closed tabs via a toolbar button and/or tab bar button.
1,289,623 $ 480.00
Cursor Mega Pack
Cursor Mega Pack allows you to simply select a cursor, refresh the page, and swap your default browser cursor with an awesome one. Install and try it now!
Not Applicable $ 8.95
24hr Cursors
The 24hr cursors extension allows you to simply select a cursor, refresh the page, and swap your default browser cursor with an awesome one. New cursors become available every 24 hours.
Not Applicable $ 8.95