Official site of the open-source browser. Includes product downloads, release notes, features overview, and information about switching from other browsers.

Firefox accessibility tools and resources, including themes and add-ons for visually impaired and colorblind users.

Latest builds for testing purposes only.

Optimized builds from several builders for MacOSX, each for different CPU architectures. Each build is compiled especially to take advantage of the specific features of the listed processor in order to wring the best performance out of Firefox on Macs.

Articles on installing and using Firefox for beginners.

A freeware Windows utility for backing up Firefox, Thunderbird and Suite user data.

Provides MSI installers for mass installing and upgrading Firefox.

Threaded discussion board. Including a support forum that allows guest postings.

A fully functional package of Firefox optimized for use on a USB key drive. A specialized launcher will allow most favorite extensions to work as you switch computers.

Quality assurance and testing blog for Mozilla Firefox and Thunderbird.

Provides general information about the browser, its features and development history, together with common criticisms and references.