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.
StumbleUpon is the easiest way to discover new and interesting photos, videos, web pages and more, recommended by a community of experts. Tell us what you are interested in and we recommend page after page of amazing stuff you’d never expect to see.
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!
Facebook Chat History Manager,save and view your chat history with friends on Facebook.
Signatures for Gmail, Google Mail, Yahoo Mail
The Hootlet will save you time when sharing social content. It’s our secret weapon because it allows you to link share easily. Plus, with one click, you can AutoSchedule your posts, ensuring that your links are shared at optimal times.
ScribeFire Classic is a blog editor that integrates with Firefox and lets you easily post to your blog.
ScribeFire Classic is no longer supported; you should install ScribeFire Next: https://addons.mozilla.org/en-US/firefox/addon/scribefire-next
119 weekly downloads
Search your LinkedIn network for the people you need when you are on any Web site.
The Digg Toolbar for Firefox lets you Digg, submit content, and keep track of Digg even when you're not on the Digg site itself. With a notification window built into the toolbar, you'll never miss a popular story or when friends Digg, submit, or com...