Gmail Manager 0.5.5
 

This is a Firefox extension that allows you to manage multiple gmail accounts and receive new mail notifications. Displays account details including unread messages, saved drafts, spam messages, labels with new mail, space used, and new mail snippets.
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*Source / Download: Majorgeeks (http://www.majorgeeks.com/Gmail_Manager_d4932.html)
Freeware*

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