[Please let a comment if you like it or if you have any feature idea; I do it for fun and I couldn't develop some features if these aren't useful for me (e.g. GTalk).)

GMailbox
Turning Gmail into Mailbox (in progress)
This version looks like the Mac Mailbox app, to be usad only with white background.

To use with any background, use this style:
http://freestyler.ws/style/100329/gmailbox-gmail-mailbox-universal

To use with dark left column, iPad style, use this:
http://freestyler.ws/style/109389/gmailbox-gmail-mailbox-ipad

New: 3.1 Little changes: compose window colors. Some transparence experiments.
Ver. 3.0 Changed Action icons. Fixed background. Other fixes.
Ver. 2.2 Added left column 'folders' icons. Suitable for any background (better white or black).
Ver. 2.0 Re-maked from zero.
Ver. 1.0 First version, made from Outlook style.

# Outlook, Calendar, Tasks, iCloud, Mailbox, Dropbox, Microsoft, Apple, Yahoo, Email, Mail, Contacts ...