Enable Multiple Inboxes In Gmail
Multiple Inboxes is a Gmail feature wherein, you can create extra lists of emails in Gmail Inbox to see all the important emails at once.
How to Enable Priority Inbox in Gmail
Priority Inbox is a Gmail feature that helps you categorize incoming emails into “Important” & “Not Important” mails. Try it out.
Access Facebook, Twitter and LinkedIn from Gmail: Ming.ly
Mingly is a free web service which lets you access Facebook, Twitter and LinkedIn all from your Gmail inbox. Try Mingly free.
Access Gmail Without Internet Connection: Offline Google Mail
Google Offline beta is a free offline Google Mail Extension for Chrome that is designed, to support offline access to Gmail Inbox. Install Offline Google Mail Free.

