Add-ons on every computer with Firefox i use and recommended to everyone.
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).
The first and only download manager/accelerator built inside Firefox!
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.
Personas are free, easy-to-install "skins" for Firefox. Personas Plus extends that built-in functionality to give you even more control and easier access to new, popular, and your own favorite Personas.
Adds ClickOnce support and the ability to report installed .NET versions to the web server.
Shareaholic is the easiest way to share & bookmark great content from anywhere on the web from one simple ALL-IN-ONE add-on. Works with Facebook, Twitter, Pinterest, Google, LinkedIn, E-mail and 200+ additional services.
Makes your Bookmarks Toolbar appear in multiple rows.
For Firefox 4 use: Multirow Bookmarks Toolbar Plus, available here:
View and manage downloads from a tidy statusbar - without the download window getting in the way of your web browsing.
Thanks Tekzilla for your awesome review! Click here to see their video: http://youtu.be/BUDqWrJ-Vao
Foobar combines Firefox's search and address bars into one easy-to-use search and navigation bar.
Note from Mozilla: This add-on has been discontinued. Try Forecastfox Weather instead.
1-ClickWeather for Firefox enables users to quickly view current weather conditions.
Collections are groups of related add-ons that anyone can create and share.Explore Collections