Lets you load pages in IE with a single right-click, or mark certain sites to *always* load in IE.
Send news articles, blogs posts and other web content to read them anytime, everywhere on Kindle devices or reading apps.
Extends smooth scroll more tweakable. By keyboard scroll also supported.
A productive way to organize, read and share the content of your favorite feeds, blogs and news sites. Feedly offers a seamless transition from Google Reader.
RAMBack will cause Firefox to issue an internal notification to free up memory that is otherwise held for performance purposes. Additional items will be hooked into this notification in the future.
Monitors web pages for updates. Useful for websites that don't provide Atom or RSS feeds.
This Add-on adds the &html5=1 option to YouTube-URLs during page load. This happens without any user interaction, like clicking a button. Simply turn this Add-on on or off, whether you want to use it or not.
Useful tools for the nightly tester.
This restartless extension provides a separate downloads window.
Add more items to Add-ons Manager context menu.
Adds a 'HTML 5 Validator' context menu item to a page's context menu.