Firefox Addons/Extensions
Google Browser Sync – Keep bookmarks synced between browsers
http://www.google.com/tools/firefox/browsersync/
FireBug – Web Developer Debugger and more!
https://addons.mozilla.org/firefox/1843/
LORI – Life of Request Info – Measure page performance
https://addons.mozilla.org/firefox/1743/
ColorZilla – Advanced Color-picker
https://addons.mozilla.org/firefox/271/
Download Statusbar – View Downloads status
https://addons.mozilla.org/firefox/26/
DownThemAll – Mass downloader
https://addons.mozilla.org/firefox/201/
Header Spy – Show HTTP headers
https://addons.mozilla.org/firefox/4276/
HTML Validator – Add HTML Validation / Tidy
https://addons.mozilla.org/firefox/249/
Live HTTP Headers – View HTTPD headers while loading
https://addons.mozilla.org/firefox/3829/
Tab Mix Plus – Tabbed browsing on ‘roids
https://addons.mozilla.org/firefox/1122/
Window Resizer – Resize your browser to various standard sizes
https://addons.mozilla.org/firefox/1985/
XPather – XPath generator / Editor
https://addons.mozilla.org/firefox/1192/
MeasureIt – Draw a pixel ruler over your web site.
https://addons.mozilla.org/firefox/539/
Adblock – Filter ads from pages.
https://addons.mozilla.org/firefox/10/
