FF Extension: Web Developer must have

A must have for a web developer.
An Extension for Firefox which displays a nice toolbar:

https://addons.mozilla.org/en-US/firefox/addon/60

FF extension: Gmail Manager

If you got a gmail account and you use Firefox (who doesn’t!!), you should install the GMail manager extension (created by Todd Long).

It allows you to manage multiple Gmail accounts and receive new mail notifications. Displays your account details including unread messages, saved drafts, spam messages, labels with new mail, space used, and new mail…