Top rated in Communication
Menu extra providing customizable Growl notifications about various Facebook events...
SightSpeed provides video and voice calling service for both Macs and PCs.
Simple to use menu bar application that allows you to tweet your music playing in iTunes directly to Twitter....
Full-featured newsreader for OS X.
Open source gadu-gadu protocol instant messenger client for Linux.
Allows you to hold private business conferences with your clients or employees.
Follow all the updates from your friends on multiple Twitter accounts.
Intego Personal Antispam is the ultimate spam-fighting tool for Mac OS X.
Compact Twitter client based on Adobe AIR.
Phone service, full of features and extremely easy to use...
Microblogging client for Twitter, Identi.ca and StatusNet.
Portable version of Mozilla's Thunderbird for you to take your email with you.
Mature, high performance, low cost mail delivery app for sending personalized email messages to large groups of contacts....
Social network built exclusively for Mac users.
Mail Notification monitors your mailboxes for new mail.
We're all also aware of the painful redundancy of manually sending a newsletter...
Draw, layout, and web publishing application built on the idea that everything...
Google Email Uploader for Mac is a desktop utility for Mac OS X that uploads email archives from Apple Mail......
Built on top of the PowerMail Engine...
Mailsmith, the email client from the makers of BBEdit.
Viewfinder dramatically simplifies the process of finding, downloading, and using images from Flickr....
Gmail notifier for Apple Macintosh users.
This phone recording software allows you to manually record telephone calls.
Multi-protocol Instant Messaging client.
Software that gets the right people to the right place at the right time.