8 Add-ons in this Collection
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
Greasemonkey by Anthony Lieuallen, Aaron Boodman, others
Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.
Seoquake is a Firefox SEO extension aimed primarily at helping web masters who deal with search engine optimization (SEO), social media optimization (SMO) and internet promotion. Seoquake allows to investigate many important SEO parameters.
Bypass compulsory web registration with the context menu via www.bugmenot.com.
Makes your Bookmarks Toolbar appear in multiple rows.
For Firefox 4 use: Multirow Bookmarks Toolbar Plus, available here: