This is my ultimate list of must have Firefox extensions.
Blocks annoying video ads on YouTube, Facebook ads, banners and much more.
Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
Collector's Note One of the all time best plugins. It blocks tons of ads.
The first and only download manager/accelerator built inside Firefox!
Collector's Note DTA is a great method for speeding up downloads without having to install a separate download accelerator.
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
Collector's Note My password manager of choice. Works great and supports multiple browsers
Never be annoyed by a Flash animation again! Blocks Flash so it won't get in your way, but if you want to see it, just click on...
Collector's Note Flash is annoying. This plugin keeps flash from autoplaying. It's a must have.
Xmarks is the #1 bookmarking and open tab add-on. Keep your bookmarks, and open tabs backed up and synchronized across computers and browsers. Mobile phones with Premium access. Utilize LastPass to sync passwords!