Tree Style Tab - Tree Style Tab is an all-in-one Firefox extension that provides ability in order to operate tabs as a tree.
SANeForce - SAN Pharma Sales Force Automation
OneTab - Whenever you find yourself with too many tabs, click the OneTab icon to convert all of your tabs into a list. When you need to access the tabs again, you can either restore them individually or all at once.
SmartWindows.app - Auto arrange all your app windows, whether on one screen or many with a single click!
Firefox Multi-account Containers - Sign in to two different accounts on the same site
Desktop Restore - MIDI-OX is the world's greatest all-purpose MIDI Utility.