Pixels2Drive Marketplace browser.
Instantly spice up the way Firefox looks
View and print PDF documents in your browser
Keep listening to Pandora even with your browser closed
Play Pacman in Firefox
Close any popup overlay on any website even if the X button is hidden from you.
Replace annoying web ads with fun web apps
3D Tab Browser for Firefox lets you Group and Save Tabs, Comes with RSS Reader and Curation Folders
Stay safe by avoiding malicious scripts online
Safe and Secure Web Browser for Computers and Smartphones