Block online ads while browsing with Firefox.
Add menus and a toolbars with various web developer tools to Firefox.
Organize your schedule in a calendar that's fully integrated with your Thunderbird email.
Save your Firefox sessions and restore the state of all windows.
Modify application menus for your browser.
Shorten links on the fly with Goo.gl, Google's URL shortener.
Save Web pages locally and manage collections easily.
Allow active content to run only from sites you trust.
Remove Timeline from Facebook with this Firefox add-on.
View and edit HTTP or HTTPS headers and post parameters.
See quick updates on all your eBay activity while you browse the web.
