- del.icio.us Bookmarks
- DictionarySearch -none of the online ones can match a real dictionary but still very handy.
- Duplicate Tab -a must have, why this isn't built in I don't know.
- FxIF - view EXIF data in image properties
- Google Notebook -I'm not completely sold on the notebook but I keep playing about with it.
- NoScript -another must have, browse safe kiddies!
- SQLite Manager -if you do anything with SQLite databases this is very cool
- text/plain (I switched from Plain Text Links because I didn't like how it behaves now, *I* want to highlight and click thanks)
- FireFTP -a decent FTP client in your browser.
(in no particular order)