Mozilla.org is an open-source organization.
The Mozilla community includes all those who contribute to Mozilla: writing code, testing software, writing documentation, developing web pages and applications, advocating on behalf of Mozilla, or doing any of the multitude of other things that help make Mozilla useful and successful.
The Mozilla organization works to make Mozilla a successful open-source project and a successful open-source product.
If u want to know more about the projects
http://www.mozilla.org/projects/
The main site is here
http://www.mozilla.org/
the mozilla forum is here
http://forums.mozillazine.org/index.php
the d/l link for the releases
http://ftp.mozilla.org/pub/
However the most intresting projects at least this moment are these three.Mozilla browser .which its codename is
SeaMonkey,Firebird browser(formerly Phoenix),and the TheThunderbird(formely as Minotaur) email client.
There some kind of releases.Are the alphas,betas,-the nightly(correcting bugs,even evryday there is a new one),the release candidates(just before the final)and the releases(calling stables too).
Mozilla browser.
Info
http://www.mozilla.org/releases/
Mozilla 3.1 stable
http://ftp.mozilla.org/pub/mozilla/releases/mozilla1.3.1/mozilla-win32-1.3.1-installer-sea.exe
Mozilla 1.4RC1
http://ftp.mozilla.org/pub/mozilla/releases/mozilla1.4rc1/mozilla-win32-1.4rc1-installer.exe
Mozilla nightly
http://ftp.mozilla.org/pub/mozilla/nightly/
find the most recent.
firebird browser
Info
http://www.mozilla.org/projects/firebird/
firebird 0.6
http://ftp.mozilla.org/pub/firebird/releases/0.6/MozillaFirebird-0.6-win32.zip
firebird nightly
http://ftp.mozilla.org/pub/firebird/nightly/
find the most recent.
Thunderbird Email client.
Info
http://texturizer.net/thunderbird/
The project just started so this some kind of alpha release,but cuz is bazed in mozilla email client its working.
http://ftp.mozilla.org/pub/thunderbird/nightly/2003-06-03-trunk/thunderbird-win32.zip