MUSTHAVE Firefox add-ons

1. BugMeNot – Activate the extension by right-clicking on a user name and/or password field of a site that asks for registration. BugMeNot will log in for you automatically using user-submitted passwords. Features: multiple login attempts, failure reporting, and auto-submittal.
2. IE Tab – This is a great tool for web developers, since you can easily see how your web page displayed in IE with just one click and then switch back to Firefox.
3. FireFTP
4. GooglePreview
5. Better Gmail 2
6. Foxmarks
7. DownThemAll!
8. Web Developer
9. Locationbar2
10. Mouse Gestures