Sparrow developers have launched a new version for the OS X platform.
Sparrow for Mac 1.6 comes with full support for POP. This was one of the most demanded features from their users.
Other new enhancements:
‘True’ Unified Inbox
Navigate in your unified Favorites, Sent, Drafts from your Unified account.
As simple as it is, one click to flush them all.
Composer sender toggle
Quickly toggle down from ‘To’, ‘Subject’ to ‘From’.