Firefox links

Introductory Help/Support:

• Firefox Help Support Pages
• An Introduction to Firefox
• Firefox 101
• Editing userChrome.css and userContent.css
• mozillaZine Firefox forums

Extensions:

• Extension Room
• Mirror of the Extension Room
• Extensions at Firefox Help

For Developers:

• Unofficial Firefox Branding
• The Burning Edge: Developments in nightly builds of Mozilla Firefox

Feel free to edit this page and add any more links you think may be of interest!