Coccinella

Adium is a free and open source instant messaging application for Mac OS X, written using Mac OS Xs Cocoa API, released under the GNU GPL and developed by the …

Linphone is an internet phone or Voice Over IP phone (VoIP). With linphone you can communicate freely with people over the internet, with voice, video, and text instant messaging. Linphone …

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 …

The goal of Gajim is to provide a full featured and easy to use Jabber client. Gajim works nicely with GNOME, but does not require it to run. It is …

qutIM - free open-source multiprotocol ( ICQ, Jabber/ GTalk/Ya.Online/LiveJournal.com, Mail.Ru, IRC ) instant messenger for Windows, Linux, MacOS X, OS/2, Symbian, Maemo/MeeGo, Solaris and *BSD.

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, …

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 …

Palringo is the lightweight Instant Messaging client for desktop computers. Express yourself in chat with emoticons and smileys to show your friends how you’re feeling. Send voice messages at the …

ICQ is one of the oldest instant messengers. First developed by the Israeli company Mirabilis, sold to AOL, sold again and currenly owned by the Russian "mail.ru" group (known for …

Jappix is a fresh new open social platform which enables you to create your own cloud, wherever you want to. People must be able to get in touch with all …

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. .

Video chat with anyone in one click! Simple, nothing to install, totally free. > Video Chat a single click on your Bistri Link to start a call > Nothing to …

TCOne Netsend Lite is a handy and reliable utility designed to enable you to send messages between computers within your network. The application uses the Windows messenger service which makes …

Groupboard is a multi-user shared drawing board that you can place on your web page by simply copying a few lines of HTML code. You can also run Groupboard on …

Encrypted voice for Android. RedPhone provides end-to-end encryption for your calls, securing your conversations so that nobody can listen in. It's easy to use, and functions just like the normal …

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 …

Conceptboard goes beyond the idea of online whiteboards and adds realtime collaboration, document sharing, visual feedback, task management, live meetings and more.

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

A shared whiteboard for use by multiple Skype-users simultaneously. Features Instant collaboration Everything you draw or write is visible to all participants in real time. Share ideas just like you...

Mark up websites, graphics, and photos, or start brainstorming on a blank canvas. Browse the web with your friends or make that conference call more productive than ever. No plug-ins, …

R&Q is a little instant messaging client for the ICQ protocol, fork of Rejetto's &RQ. It is simple, fast, takes a little more than 1 MB disk space and doesn't …

Scribblar is a free online collaboration tool that is perfect for online tutoring. It features live audio, chat, whiteboard, image sharing, document sharing and more. Used by learners, trainers and …

MathIM is an online chat provider with built-in LaTeX support (that is, you can use LaTeX right away for providing help with math problems). It can also be used for …

Mercury Messenger or simply "MM" (formerly called dMSN) is a Windows Live Messenger network Instant Messaging client developed in Java. It supports almost all of the features in Windows Live …

JaIM.at :: public Jabber Server XMPP Instant Message (IM) Service: XMPP instant messaging service - Jabber transport gateway to AIM ICQ IRC MSN ICQ MAIL YAHOO!...