Gmail Manager is a very handy tool that allows you to monitor multiple Gmail accounts all from with in Firefox.

What I like is that I can see what’s in my Gmail at a glance.

What I don’t like is that when I hover over the tray icon it display a list of unread messages but when I move the mouse over the list of email the list disappears.

Other wise if your using Gmail and Firefox that you should be using Gmail Manager.

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