The 2009 Editor's Choice of top 10 Firefox extensions, from the website Lifehacker.com Google Gears is not included as it's not on AMO. Available at gears.google.com
21 479 501 gebruikers
Blocks annoying video ads on YouTube, Facebook ads, banners and much more.
Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
1 477 984 gebruikers
The first and only download manager/accelerator built inside Firefox!
1 333 705 gebruikers
1 011 076 gebruikers
Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager.
357 702 gebruikers
Xmarks is the #1 bookmarking and open tab add-on. Keep your bookmarks, and open tabs backed up and synchronized across computers and browsers. Mobile phones with Premium access. Utilize LastPass to sync passwords!
159 560 gebruikers
Bring back your personal and powerful Firefox Button!
19 257 gebruikers
Add useful extra features to Gmail, like hierarchical labels, an unread message icon on your browser tab, file attachment icons, and more.
25 752 gebruikers
Select text and it's automatically copied to the clipboard. Also pastes on middle click.
Versamelings is groepe van verwante byvoegings wat enigiemand kan bou en deel.Ontdek versamelings