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Trillian is a proprietary multiprotocol instant messaging application for Windows, Mac OS X, Android, iOS, BlackBerry OS, and the Web, created by Cerulean Studios. It can connect to multiple IM …

With Live Messenger you can chat online instantly in real time with friends, family and colleagues. Its faster than e-mail, more discreet than a phone call. Formerly known as MSN …

Nimbuzz offers limited-availablility-free-calls- and limited-availability-free-text messaging for users via 3G and WiFi. Calls to other nimbuzz users are free. PAY to call mobile or landline phones for as...

Jitsi (previously SIP Communicator) is an audio/video and chat communicator that supports protocols such as SIP, XMPP/Jabber, AIM/ICQ, Windows Live, Yahoo! and many other useful features. Jitsi is...

Yahoo! Messenger is an instant messaging client developed by Yahoo! inc. for real-time communication of its users. It provides text chat, file transfer up to 2GB. conversations with audio and …

Psi is an instant messaging application for Windows, Linux, and Mac OS X that connects to the free, open Jabber IM network (also known as XMPP). Localized versions of Psi …

emesene is a chat program that allows you to connect to different networks like MSN, Gtalk, Facebook chat, Jabber and others.

Facebook Messenger is a faster way to message. Reach friends right on their phones, get and send messages fast, message everyone at once and more. Top Features: • Message friends, …

aMSN is a free open source MSN Messenger clone. aMSN attempts to emulate the look and feel of Windows Live Messenger, and supports many of its features. Offline Messaging Voice …

LINE is a Japanese proprietary application for instant messaging on smartphones and PCs. Line users exchange text messages, graphics, video and audio media, make free VoIP calls, and hold free …

Yoono is an easy to use application that allows you to connect to all your social networks and instant messaging services - in one place. Get all your friend updates, …

AIM keeps you connected to the people you care about. Connect with friends and family and keep track of status and presence updates in real time. .

Spicebird is your one platform for many collaboration needs. It provides e-mail, calendaring and instant messaging with intuitive integration and unlimited extensibility. The application is based on projects like Thunderbird, …

Zello (formerly loudtalks) the fastest way to communicate online. Don't type or call — just push F7 and speak! Reply, when convenient, talk to all people in a group at …

Tpad is a free program that uses the latest VoIP / SIP technology to bring free and crystal clear voice quality communications to any user all over the world. When …

Coccinella is a free and open-source cross-platform instant messaging client with a built-in whiteboard for improved collaboration with other people.

Meebo for the Desktop. It uses Adobe® AIR™ to place meebo home page on the desktop in its own window.

Pinger lets you text and talk free with the people you care about most, anywhere on the planet. Tap a picture and you'll see all of your communications—texts, pics, calls, …

MXit is a free, cheap to use, instant messenger for almost every phone on the earth. From chatrooms, games and shopping to movie clips, music and sport - this is …

VoxOx is the first ever Universal Communicator Service that manages all forms of cross-media communication for consumers. Signup *requires* user provide SMS capable mobile number. It is the only service …