Pidgin

WeeWorld - the social network built for fun where you can meet new friends, send messages, play games, and create your own avatar. WeeWorld is an online game aimed at …

Meebo is integrated, all-in-one instant messaging (IM client) that connects you with your friends everywhere. It supports a large number of popular servicesand connects you to MSN, Yahoo, AOL/AIM, MySpace, …

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 …

Portuguese messenger publish by SAPO. It has a sending SMS feature and the user can make audio-visual calls. GTalk can be integrated with this instant messaging program.

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.

Messenger:mac (or Microsoft Messenger for Mac) is Microsofts version of the popular Windows Live Messenger for the Mac platform.

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 …

Spark is an Open Source, cross-platform IM client optimized for businesses and organizations. It features built-in support for group chat, telephony integration, and strong security. It also offers a great...

GyachE Improved (GyachI) is a fork from Gyach Enhanced Yahoo! client for Linux operating systems. This Yahoo! client supports almost all of the features you would expect to find on …

Subway is a web-based IRC client with a multi-user backend and a JavaScript-heavy UI. Frontend/backend communication is done with websockets (or best available fallback where not available). The backend...

Imo instant messenger is a web-based service with video and voice chat functionality. imo's web messenger and mobile messenger apps let you IM your friends with AIM, Facebook, Google Talk, …

pMessenger is a Cross platform Messenger (iPhone, Android, BlackBerry, and soon Nokia, WM7, Java phones) with Text/Picture/Video/Vocal/Group Chat/Image/Status updates/Acknowledgement of receipt (D/R)! ...

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 …

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, …

eBuddy is a web and mobile messenger which supports various instant messaging services. Features include chat on Windows Live Messenger (also known as MSN), Yahoo! Messenger, AOL Instant Messenger, ICQ,...

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 …

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. …

Psi+ is a development branch of Psi IM XMPP/Jabber client. Psi is a cross-platform powerful XMPP/Jabber client (Qt, C++) designed for the Jabber power users.

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 …

Galaxium is an instant messenger application designed for the GNOME desktop. It will allow you to connect to MSN, Jabber, and IRC. You can communicate with your family, friends and …