Top rated in Communication
iMessage lets you send messages to anyone on a Mac, or an iPhone, iPad...
Do more than just IM with Yahoo!
Stay connected to Twitter directly from your desktop.
Popular and, probably, the best instant messaging client for you Mac.
As of July 2012, Thunderbird has transitioned to a new governance model...
Google Notifier keeps you up to date with notifications of new mail and events.
One of the most advanced and feature rich video communication programs available to Mac users and allows people to connect with both Mac and PC users.
AIM keeps you connected to the people you care about right on your iPhone or iPod Touch.
It helps you build custom Twitter timelines on your Mac.
VoIP program which allows you to make phone calls over the internet.
Create stunning slideshows from your digital photos.
Send messages, make video calls and stay connected with your friends.
Powerful and efficient instant messaging client.
iGlasses allows you to adjust and manipulate your webcam's video settings.
QQ connects you to over 600 million Chinese QQ members and many of your favorite websites and useful tools.
Google, Skype, Yahoo, MSN, AIM, Jabber, Facebook, SMS, Fax...
Please, before posting useless comments check the user's guide or support...
Supports private and group communication as well as file exchanges.
Integrated functionality for instant messaging, presence, conferencing and voice.
This application lets you check your Facebook profile from your Menu Bar.
A program for checking your Gmail account from your desktop.
Freeware Mac OS X IRC client created by Steve Green.
This program is a simple yet useful Twitter client for Mac.
Fast, full-featured twitter client for iPhone and iPod touch.