The easy way to download and convert Web videos from hundreds of YouTube-like sites.
This works also for audio and picture galleries.
Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager.
Save time by speeding up repetitive tasks. Get faster, parallelized downloads, see definitions, auto-load the next page, improve searching, and more. FastestFox will dramatically enhance your productivity!
Fasterfox Lite: Performance and network tweaks for Firefox, without the Enhanced Prefetching. This is a fork from the original "Fasterfox".
Shareaholic is the easiest way to share interesting links using Facebook, Twitter, Google Mail, Reader, Bookmarks, Evernote, Bitly, StumbleUpon, and more... from one simple ALL-IN-ONE add-on. This is the ultimate tool for the link sharing addict!
CoLT (short for "Copy Link Text") makes it easy to copy either a link's text, or both the link text and its URL in a format you specify. This non-invasive extension simply appears as context menu items when you right-click a link. Fully customizable!
Navigate up one level (directory). It will remove an in-page anchor, the querystring, the file, and the last directory in that order, whichever is first found...
Answers.com’s 1-Click Answers ™ saves you time by instantly delivering the information you’re looking for. Point at any word, hold the Alt key (Ctrl in Linux) and click. A pop-up will appear on the screen, explaining the term.
Collector's Note Ctrl+Click in stead of Alt+Click in LInux: clicking the link with the wheel button the mouse, will open the ink in a new tab