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).
The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.
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.
FireFTP is a free, secure, cross-platform FTP/SFTP client for Mozilla Firefox which provides easy and intuitive access to FTP/SFTP servers.
Check out my new project, FireSSH!
AutoPager automatically loads next pages when you reach the end of a page. It works on a ton of sites,Google,Yahoo..
It works well with most other add-ons adblock plus, WOT and most of the greasemonkey scripts.
You can also try AutoPagerLite.
The original Gmail notifier for multiple accounts. Allows you to receive new mail notifications along with viewing account details including unread messages, saved drafts, spam messages, labels with new mail, space used, and new mail snippets.
this add-on simulates japanese mobile device.
this add-on support DoCoMo, Au(KDDI) and SoftBank device.
Lets you load pages in IE with a single right-click, or mark certain sites to *always* load in IE.
Jump-to-word buttons and highlighting for the search box content
Picozu Shooter is a Mozilla Firefox browser extension, which allows you to take a screenshot of a given browser page, or a specific region of it and save it to a file, clipboard or Picozu Image Editor.
Mobile Barcoder generates 2D barcodes of URLs and text selections so that you can transfer that information to your mobile easily.
Collections are groups of related add-ons that anyone can create and share.Explore Collections