- Adblock - Block even more popups with this
Adblock Filterset.G Updater - The best filterset to use with Adblock
- Easylist (USA) - I now use this Adblock list
- CustomizeGoogle - Allows you to set an enormous number of preferences for use with several of Googles products
- DownThemAll - Ever need to grab all of the archive files from a mailing list, or a group of PDF's from a free ebook site. Well this is the tool for you!
- FireFtp - FTP client built in a FireFox tab, I have been using this for a month or so and I love it
- PDF Download - This keeps you from automaticly opening up a pdf in a tab, instead you are given several options. I hate viewing PDF's in a browser so this is a real destresser for me.
- Tab Mix Plus - More and more of this extension seems to be making it's way into the main app but it still has several useful tab manipulation options that warrant it's use.
Good to have
- Bookmark Duplicate Detector - Just as it says
- CacheViewer - View your temporary internet files and save the ones you want to keep
- CoLT - Adds several menu items when copying links, such as "Copy link text".
- Firefox Companion for Ebay - Useful for ebayers
- MinimizeToTray and Minimize To Tray Enhancer - sends FireFox to the systray
- NextPlease - Allows keyboard controls for moving to the next or previous pages in a list of pages (like google search results)
- Restart Firefox - As it says
- Toolbar Buttons - This has a bunch of buttons for different functions and addons, I am using about 10 of them myself.
- Update Notifier - nice little tool to let you know when updates are available
- ViewSourceWith - With this I was able to set SciTE as my default viewer for page sources.
- Wizz RSS News Reader - Pretty easy to use and nice little RSS / Atom reader.
Developer tools I like