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.
New! Thunderbird 2
Enjoy safe, fast, and easy email, with intelligent spam filters, quick message search, and customizable views.
Mozilla is hiring! Learn more.
What’s New
- Firefox 3 Sneak Peek!
Test drive the latest and greatest version - Mozilla Celebrates 10th Anniversary
March 31, 2008 marks ten years since launch of Mozilla project - Mozilla Messaging Starts Up Operations
New open source organization kicks off development of Thunderbird 3