This is my Mozilla bookmark collection come resource page. Some submissions have already been made and if you have any suggestions, additions or whatnots please feel free to contact me about them. Anyhow, here goes... :)

The Mozilla Foundation
The Mozilla Foundation - The main page for The Mozilla Foundation, an organisation designed to promote the Mozilla project.
The Mozilla Project [at] [jp] [pl] [ru] - The main page for the Mozilla project.
Download Mozilla [at] [jp] [pl] - List of mirror sites where you can download Mozilla. Head to mozilla/releases for Mozilla releases and mozilla/nightly for nightly Mozilla builds once you've selected the site for you. (At least as far as the main site goes - non-english language based sites may/will be different.)

Mozilla News Sites
MozillaZine [ch] [de] [fr] [jp] - News, advocacy and build comments. This site also contains the buildbar talkback.
Mozilla News - Mozilla and related projects news.
MozNews Forums - Mozilla News discussion forums.
Blogzilla - News, tips, info, links and hacks related to Mozilla.
MozFan - News, forums and other fun things.
MozillaZine Weblogs - More weblogs then you can poke a lizard at. Primarily written by Mozilla developers and contributors.
Mozilla DevCentre - O'Reilly's site on all things Mozilla including news and reference articles.

Gecko Based Browsers (Browsers for End-Users, etc...)
Netscape - Netscape 6+ browser suite. Includes Instant Messanger, a spell checker and other goodies.
Beonex Communicator - Includes sepcial features which may be of interest to people concerned about privacy and for enterprises.
Galeon - Gnomed Mozilla with lots of extra additions.
Epiphany - A Gnome web browser based on the Mozilla rendering engine.
Camino (was Chimera) - MacOS X browser suite.
K-Melon [it] - A light version of Mozilla for Windows.
SkipStone - GTK+ Gecko-based web browser suite.
Firebird (was Phoenix) - A multi-platform browser. The focus here is to create a good, lightweight XUL web browser and as such has no mail, news, etc components.
Thunderbird (was Minotaur) - A multi-platform mail and news client. Similarily to Phoenix, Minotaur aims to be a good, lightweight XUL mail and news client and naught else.
Ghostzilla - A browser that can use other applications windows for display, thereby allowing you to obfuscate your browsing. (20021111: Windows only)
DocZilla - A Mozilla-based SGML/XML/HTML browser developed by CiTEC.

Configuring/Using Mozilla
FAQ for Linux Users - FAQ that covers the basics from installtion to getting your mouse wheel going.
How I Installed the Java Plugin - A short doc by me describing how I installed Java on my system and got the plugin working with Mozilla. It's Linux specific.
How I Killed <marquee> - Another short doc by me with instructions on how to kill the scrolling inherent in <marquee> without losing the data it contains.
Plugin Documentation - A list of plugins and the status of Mozilla's support for them. Also includes installation instructions.
From Internet Explorer to Firebird - An article on making the switch from IE to Firebird a smooth ride.
From Outlook Express to Thunderbird - A set of tips that to help make the switch from Outlook Express to Thunderbird a smooth one.
Introduction to Thunderbird - A multipart series dealing with using Thunderbird. From installing and configuring to (as of this writing) setting up junk mail controls.
Flash and Java Installer - Install Flash and Java for Windows and Linux with a couple of clicks.
Customising Mozilla - How to change user related CSS, making fonts more readable on Linux, key bindings, misc preferences sans UI, UI look and feel customisation.
Security Policies - Javascript security policies. Control what Javascript may find out about your browser/setup and what sort of things it can do to your browser.
Custom Keywords - Configure aliases/shortcuts for websites to use in the location bar. Also allows aliases/shortcuts to take an argument and substitute it into the aliased URL.
Hidden Mozilla Prefs - A nice guide to Mozilla preferences that you can't set through the User Interface. It contains info on prefs.js, user.js, userChrome.css and userContent.css. - Mozilla - Docs explaining the contents of the profile dir, as well as install instructions for some plugins.
MozTips: Help for Mozilla Users - Various FAQs and installation and configuration HOWTOs. Also contains information on profiles, themes and the sidebar amongst other things.
NewZilla Mozilla Questions (Netscape 6+ Questions) - Another FAQ on using and installing Mozilla (and Netscape 6+). Also contains information on web design with respect to Mozilla.
Netscape 6/7 Tips - While the focus here is on Netscape 6+, a lot of these are still very useful for Mozilla users.
Netscape 7 Help and Tips - Again the focus here is on Netscape 7+, but you'll be able to find useful Mozilla info aswell.

Mozilla & Netscape Public Licenses - Links to the MPL 1.1 and NPL 1.1 licences (and historical versions) plus the Relicensing FAQ and Mozilla's licensing policy.
Promiscuous Source (GPL vs. MPL) - 'It is my opinion that MPL is more free than GPL.' - David Wallace Croft
New Licensing and Old Problems - cURL author's explanation of how and why he delt with GPL, LGPL, MPL and MIT/X licences.
On the Netscape Public License - Richard Stallman's discussion on the NPL and MPL with respect to the GPL.
Mozilla 1.0 Release Info
Start Page [cz] [fr] [jp] [pl] [si] - This is the first page that Mozilla 1.0 get to see when first opening up their browser.
FAQ [cz] [fr] [jp] [pl] [si] - The Mozilla 1.0 FAQ. Lots of good info for new users.
Reviewers Guide [cz] [fr] [jp] [pl] [si] - The Mozilla 1.0 guide providing reviewers with useful information to be used when writing their reviews so that they get less wrong.

Mozilla Bug Reporting / Evangelism
Bugzilla [jp] - Bug reporting website. Report your fresh new bugs here, check for preexisting bugs, add commentry to bugs as appropriate.
Bug Writing Guidelines - How to write a good bug report. Read this first to make your bug reporting efforts more useful to the Mozilla community.
Bugzilla Etiquette - Guidelines for behaviour in using Bugzilla.
Security Bug Policy - This is Mozilla's policy on the handling of security related bugs.
UNCONFIRMED Bug Jump Points - Hourly updated lists of UNCONFIRMED bugs (new bugs that have not as yet been looked at by anyone) in Bugzilla. The use of this page reduces load on it.
Testing CSS in Mozilla - Best practices guide for writing test cases.
Most Frequently Reported Bugs - Automated list of the top 100 (or so) most frequently reported bugs.
Mozilla Evangelism - Mozilla Evangelism effort promotes the use of Mozilla by identifying sites which do not work properly in Mozilla and helping their webmasters to fix them.
Financial Institutions and Mozilla Operability - Provides a list of banks (somewhat US-centric but not restricted to the US) and wether or not they work with Mozilla (and if not, how they are broken).
Banks 'n' Browsers - List of banks (from 32 countries as of this writing) and their compatability with various Linux web browsers.

Project Sites (Themes, Toolbars, Plugins, etc...)
Mozilla Active Projects - Location of various active Mozilla projects as created by the Mozilla community.
XUL Planet - XUL projects portal. Themes, Mozilla extentions, etc.
Patch Maker - Aids in the creation of chrome patches from build downloads and creating, diffing, uploading, refreshing, and checking in of patches from a CVS repository.
The Home Button [no] - A tiny xpi for various themes (9 as of 20020618) to provide a home button in the title bar.
CaScadeS - A cascading stylesheet aditor for the Composer Mozilla component.
Themes Portal - Central portal for Mozilla themes.
Alfred's Themes - LittleMozilla, Wood and Star Trek themes.
IE Theme - A theme to make Mozilla look like IE.
Lo-Fi Theme - Simplified version of the Classic theme.
Mozilla Gesture Toolbar - Allows you to use mouse movements to execute common browser commands.
Penzilla Calendar - OEone's calendar and scheduler.
PrefBar - Addon that primarily allows you to control certain preferences out of a bar in the Mozilla window.
ActiveX Plugin (XPI Installer) - ActiveX plugin and an installer for it. As of this writing (20020729) it will not download new components to your Windows PC. It -will- run those that are already there, though.
PornZilla - An effort to keep track of bugs and add features that'll make Mozilla great for porn. Also has instructions on how to make your pr0ning easier.
LiveSidebar - A utility for creating custom sidebar tabs.
Plugger - UNIX Multimedia plugin for Mozilla and other browsers.
Bookmarklets - Javascript utilities for use on the page you are viewing. They can search/open/show the links on the page, find data in or about the page and other fun things.
grayrests Bookmark Shortcut Central - Multiple variable keywords, POST keyword searches and other bookmarklets and bookmarks.
Tiny Mozilla Resource Page - Extra plugins for Mozilla's sidebar, custom keyword configuration examples, different Mozilla icons and splash screens.
MozTips: Sidebar Search Plugins - Extra search engine definitions for the search sidebar.
XUL Apps - Outside Reflex - Context menu extentions, teb browser extentions, sidebar window, popup alt attributes, etc.
Beonex vs Mozilla - A short document that describes why Beonex was created and why Mozilla is really not for end-users.

Help for Mozilla Projects/General Documentation
The Jargon File - Wee dictionary of terms used by Mozilla developers.
How to Localize Mozilla - This explains what needs to be done to localise Mozilla. If, for example, you wish to convert Mozilla to Klingon and noone else is doing it, you'd look here to find out how.
MozillaTranslator- Useful tool to help you in your localisation efforts.
Keyboard User Interface Doc - Documentation on how and why the Mozilla keyboard interface is the way it is (and how it might change in the future).

Source Code/CVS
LXR Web Source Interface - Web Based interface to the source code for Mozilla and other projects.
Mozilla - Complete Mozilla and modules source code
XPI Installation Wizard - Installation wizard that is used on the Mozilla 'sea' archives.