Firefox Add-ons

New! Firefox Add-ons
We've upgraded the Add-ons Web site, so now it's easier than ever to personalize your Web browser and make it your own.

Thunderbird

New! Thunderbird 2
Enjoy safe, fast, and easy email, with intelligent spam filters, quick message search, and customizable views.

What's New

Mozilla Launches Internet Mail and Communications Initiative
David Ascher joins Mozilla to lead new organization

Mozilla Welcomes Students Back to School with Firefox Campus Edition
Everything you need for a well-rounded college life

Mozilla and eBay Launch Firefox Companion for eBay Users
Free Firefox Add-on makes eBay auction trading easier, faster and safer