5 Add-ons in this Collection
Firebug by Joe Hewitt, Jan Odvarko, others
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
The Web Developer extension adds various web developer tools to the browser.
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.
What are Collections?
Collections are groups of related add-ons that anyone can create and share.Explore Collections