LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
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!
Use PDF Download to do whatever you like with PDF files on the Web. Regain control and eliminate browser problems, view PDFs directly in Firefox as HTML, and use the all-new Web-to-PDF toolbar to save and share Web pages as high-quality PDF files.
FEBE (Firefox Environment Backup Extension) allows you to quickly and easily backup your Firefox extensions. In fact, it goes beyond just backing up -- It will actually rebuild your extensions individually into installable .xpi files.
FoxClocks shows times around the world - or just your local time - at the bottom of your browser. It deals with daylight saving time so you don't have to.
Stop secret tracking of your web browsing.
See video: http://www.abine.com/preview/taco.php
Keep your personal info private on the web with new & powerful privacy tool, MaskMe.
Import/Export your Firefox extension preferences
Popups alternate texts of images or others like NetscapeCommunicator(Navigator) 4.x.
Easily switch between your development and live servers.