Google, Skype, Yahoo, MSN, AIM, Jabber, Facebook, SMS, Fax, and Phone under a single interface.
This extension notifies you when new messages arrive in your Yahoo mailbox.
Periodically check Yahoo! mail accounts for new mail on Mac OS X.
Redirects mailto: links in your browser to bring up a new message in Yahoo!Mail.
Shows you top talkers and listeners for clear answers about traffic flow.