Social Source Commons

Firefox addon that eliminates banner advertisements.

ArchiveFacebook is a Firefox add-on that downloads a user's photos, messages, activity stream, friends list, events and groups from Facebook

The Bloglines Browser Plug-In will enable you to use the Bloglines RSS aggregator from your browser and subscribe to RSS feeds with one click.

Google's new entry into the browser market. Takes a simplified approach to the interface, and focuses on adding value to web applications

The most beautiful yet the simplest add-on that makes a strong colorful appeal. Colors every tab in a different color and makes them easy to distinguish while beautifying the overall appearance of the interface. For Seamonkey & Flock. An essential.

Firefox plugin from drop.io allowing you to upload files into a new "drop" by simply dragging the file icon or image from your computer onto the firefox browser window. Also supports dragging files from other websites onto the browser window.

Firefox is the popular open source web browser from Mozilla

FireFTP is a free, secure, cross-platform FTP client for Mozilla Firefox which provides easy and intuitive access to FTP servers. FireFTP is very simple to use and integrates into your web browser.

Firefox Bookmark Synchronizer

Add-in for Internet Explorer and Firefox, featuring pop-up blocker, spell-checking, and search engine.

HTTPS Everywhere is a Firefox extension produced as a collaboration between The Tor Project and the Electronic Frontier Foundation. It encrypts your communications with a number of major websites.

Many sites on the web offer some limited support for encryption over HTTPS, but make it difficult to use. For instance, they may default to unencrypted HTTP, or fill encrypted pages with links that go back to the unencrypted site. The HTTPS Everywhere extension fixes these problems by rewriting all requests to these sites to HTTPS.

Draw out a ruler to get the pixel width and height of any elements on a webpage.

MozBackup is a simple utility for creating backups of Mozilla Firefox, Mozilla Thunderbird, Mozilla Sunbird, Flock, SeaMonkey, Mozilla Suite, Spicebird, Songbird and Netscape profiles.

Firefox add-on that disables most everything on the net but html, css and images. Handy if your security conscious, or surfing in disreputable corners of the net. Does have the downside that most of the net needs the very things this plug-in turns off, including much of Salsa.

Pearl Crescent Page Saver is an extension for Mozilla Firefox that lets you capture images of web pages.

Portable Firefox is a fully functional package of Firefox optimized for use on a USB key drive

Firefox add-on containing Mapquest, stock quotes, and weather.

Sage is a lightweight RSS and Atom feed reader extension for Mozilla Firefox.

Firefox blogging tool add-on.

Tools to help protect your privacy online including tools to help stop sites from tracking your movements.

Site to check SEO for a given webpage. Also a firefox addon.

Firefox add-on that sorts, filters or copies any HTML table.

Firefox console extension that handles natural language commands.

Wappalyzer shows you which software is used on the page you're currently at.

The Web Developer extension adds a menu and a toolbar to the browser with various web developer tools. It is designed for Firefox, Flock, Mozilla and Seamonkey, and will run on any platform that these browsers support including Windows, Mac and Linux.

RSS and Atom news reader/aggregator extension for Firefox and the web.

Enhance your blog while you write. Automatic images, tags, links and articles suggestions. Supports all major blogging platforms.

Zotero is a free, easy-to-use Firefox extension to help you collect, manage, and cite your research sources.