TUAW: The best Mac application I used in 2010
TUAW editor TJ Luoma compiled a list of his favorite apps. Mailplane is part of the list:
Mailplane ($25) turns Gmail into a real Mac app, including keyboard shortcuts, the ability to drag files to new messages and a whole host of other niceties. If you manage multiple Gmail and/or Google Apps mail accounts, Mailplane is a must-have.