Wired-Marker(http://www.wired-marker.org/en/) is a permanent (indelible) highlighter that you use on Web pages. The highlighter, which comes in various colors and styles, is a kind of electronic bookmark that serves as a guide when you revisit a Web ...
Firebug No Restart Featured
Lightweight Themes Manager No Restart Featured
Manage your installed personas (lightweight themes).
VimFx No Restart Featured
Vim-style keyboard shortcuts for browsing and navigation, significantly reducing the use of the mouse.
Add to Search Bar No Restart Featured
Make any pages' search functionality available in the Search Bar (or "search box")...
Torrent Tornado Featured
Proxy Switcher No Restart Featured
Access to the complete Firefox's proxy settings right from a toolbar panel
WebRank SEO Toolbar Featured
A toolbar that gives Google Pagerank, Alexa, Compete and Quantcast Rank, pages indexed and backlinks in Google, Bing and Yahoo. Bookmark webpages at PickMeWeb.com, view similar websites at SimilarSites.com. Delicious, Digg and Tweet Count.
Web Developer Featured
The Web Developer extension adds various web developer tools to the browser.
— Open web pages saved with Internet Explorer or other browsers (MHT)
— Save many tabs, video and audio reliably, in a single ZIP file (MAFF)
— Return to the original site you saved a page from, and more!
User-Agent Switcher No Restart Featured
Quickly and easily switch between popular user-agent strings.
Beyond Australis No Restart Featured
Australis was the code name for the current Firefox theme, it aimed to make a great browser look awesome. Now you can go one step further and also make it feel awesome to use!
Password Tags Featured
Adds metadata and sortable tags to the password manager.
Download Status Bar No Restart Featured
If you are the kind of person who likes to have total control over every aspect of your downloads, "Download Status Bar" is the add-on you are looking for.
A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.
Duplicate Tabs Closer No Restart Featured
Detects and automatically closes duplicate tabs.
Web2PDF Converter Featured
Web page to PDF conversion tool
Smart HTTPS No Restart Featured
Automatically changes HTTP addresses to the secure HTTPS, and if loading encounters error, reverts it back to HTTP.
Reader No Restart Featured
Reader is the ultimate Reader tool for Firefox.