Chat with AIM, Jabber, Yahoo, ICQ, and more....
Popular Twitter client....
Voice-over-internet phone and chat software....
Robust video conferencing....
Send messages and make calls for free to other Viber users....
Voice communications tool primarily intended for use while gaming....
Popular instant messaging client supports a plethora of services....
Easily post to and read from your Twitter.com feed....
Twitter client with a real OS X look and feel....
a simple and elegant Twitter client...
A Twitter client with message store capability...
Free voice, video, and messaging service....
Communication for teams....
Messaging platform for professionals (was TeamASAP)....
Chat, discharges, consults and secure live video....
Chat with visitors on your website....
Standalone Facebook messenger app....
Lightweight Facebook chat app....
Chat client for teams and small businesses....
Connect to the Chinese social network....
Lightweight IRC client....
Mac client for Lync users....
