Firefox

Mozilla Firefox is a graphical web browser developed by the Mozilla Corporation, and a large community of external contributors. Firefox, officially abbreviated as Fx or fx and popularly abbreviated FF, started as a fork of the Navigator browser component of the Mozilla Application Suite. Firefox has replaced the Mozilla Suite as the flagship product of the Mozilla project, under the direction of the Mozilla Foundation.

Addons

• Language: Install the en_GB languages and if en_US keeps re-establishing itself as the default, you can forcefully remove the en_US* files from /usr/lib/xulrunner-*/dictionaries/.
• DoNotTrackMe (from here) or Ghostery (from here)
• Flash player (apt-get install flashplugin-nonfree)
• Download Helper - download videos from youtube and other online video content sites
• Firebug

Firebug tutorials

• Documentation
• Firebug tutorial
• introduction to Firebug
• An In-depth Look At The Future of Javascript Debugging With Firebug
• Firebug Internals
• 14 min Tutorial
• Joe Hewitt highlights
• Excellent overview
• Litfuel tutorials
• Debugging AJAX Application with Firebug
• CSS editing using Firebug

See also

• What the future could hold for Firefox OS - competing with iOS and Android on their own turf isn't going to work