Pidgin

Instantbird is an instant messaging client based on Mozilla XULRunner and the open source library libpurple created by the software developers of Pidgin. Instantbird is free software available under the …

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 …

Miranda IM is the smaller, faster, easier instant messenger with support for multiple protocols. Designed from the ground-up to be resource efficient while still providing a rich feature set, Miranda …

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 …

Miranda New Generation is a successor of a popular multi-protocol instant messaging client for Windows - Miranda IM. Very light on system resources and extremely fast.

Chit Chat for Facebook is a fast and easy way in which to reach your Facebook friends and family. Using Chit Chat, you can send Facebook instant messages from your …

Tencent QQ, generally referred to as QQ, is the most popular free instant messaging computer program in Mainland China, and has over 856.2 million users. In April 2010, QQ.com ranked …

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 …

Unison gives you secure "rooms", team spaces where you can post updates or files, get feedback and talk live as a group. Unison works from your smartphone, tablet, or computer. …

MDC (Multiple Direct Communicator) is a universal multiprotocol messenger supported by several operating systems including Windows, Linux and MacOS X, and protocols of ICQ, Mail.Agent, Jabber and others. It features …

Connect with your friends on one simple platform. Use ISIM to combine all of your contacts from Skype, Google+ and Facebook. Staying in touch has never been this easy.

Instant messaging & Group Chat built for business. Features include: - Private Group Chat - Instant Messaging (one-on-one) - Persistent Searchable Chat History for Room & IM - Video Chat …

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, …

Facebook Chat IM is a Desktop Messenger for Facebook. With it you can chat with all your Facebook friends directly from your Desktop. It has a simple and easy to …

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...

mIRC is a popular Internet Relay Chat client used by millions of people, and thousands of organizations, to communicate, share, play and work with each other on IRC networks around …

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...

QIP Infium is a multiprotocol instant messaging client. It supports ICQ (OSCAR), Jabber (XMPP), Mail.ru Agnet (MRA), IRC, XIMSS, SIP, Twitter, Facebook and other.

Tango brings you free, high-quality mobile video calls over 3G and Wi-Fi! Tango is an entertaining video calling service that connects people around the world in an exhilarating new way. …

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 …

An IRC client for the Windows desktop which follows the Metro design guidelines.

Sim-IM is a multiple protocol instant messenger for MS Windows, GNU/Linux, FreeBSD. Sim-IM supports Jabber/XMPP, Google Talk, ICQ and AIM (Oscar), Yahoo! Messenger and Microsoft Messenger (MSN) protocols....

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 …

Crossplatform Jabber client. The core program is just a plugin loader - all functionality is made available via plugins. This enforces modularity and ensures well defined component interaction via interfaces.

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 …