So which bookmark add-ons for Firefox are downloaded most often?  Here are the top ten most downloaded bookmark extensions for the browser.

SmarterFox – Browse faster by speeding up common tasks – faster downloading, searching, visiting favorites, copy & paste, and more.
Xmarks (formerly Foxmarks) – Xmarks is the #1 bookmarking add-on. Install it on all your computers to keep your bookmarks and (optionally) passwords backed up and synchronized.
Delicious Bookmarks – Delicious Bookmarks is the official Firefox add-on for [...]

Repagination is an add-on for Firefox that promises to end the need to click here to go to part two, part three and part four. At the end of some articles, you often see the links to more pages and for some people, that is a bothersome trait of Online publishing.
They want to see everything all at once. That is what Repagination has come to the dance to do.
For example, here is how you would use it [...]

I like the idea of being able to preview my tabs without clicking on them – but for the power hungry user, sometimes they need more.
The Firefox extension Tab Scope promises to deliver in this department. Here are some of the features:

Real-time preview of tab contents
Navigate (Back/Forward/Reload/Stop) through popup
Scroll pages or frames in preview with mouse wheel
Click links or buttons directly in preview

It gives you simple navigation tools to make your way around that preview image. [...]