Mozilla and Firefox Search
- A tool to search all official Mozilla and Firefox sites.
- http://www.7is7.com/software/firefox/search/

Mozilla Add-ons
- Official site for extensions and themes for Mozilla Products, including Firefox, Thunderbird, and SeaMonkey.
- https://addons.mozilla.org/

Mozilla Links
- Weblog style posts with news and tips for Mozilla products.
- http://mozillalinks.org/

Mozilla.org: Bugzilla
- The Mozilla bug database. Search for reported bugs, and report new ones in Mozilla products.
- https://bugzilla.mozilla.org/

Mozilla User Community Sites
- An updated list of 30+ user community sites related to Mozilla and maintained by Mozilla.org
- http://www.mozilla.org/community/user-sites.html

Mozilla and Netscape Public Licenses
- Describes the licensing policy of the foundation, with the full texts of the various licenses used, and an FAQ.
- http://www.mozilla.org/MPL/

Mozdev.org
- Hosting of community development projects for applications and extensions, often connected with the Mozilla Project.
- http://www.mozdev.org/

Mozilla Europe
- European home of the foundation, with information available in several languages.
- http://www.mozilla-europe.org/