Adium

Zen Talk is a web-based application for instant messaging. -1267 times lighter than Facebook. -319 times lighter than Facebook Mobile. -686 times lighter than Meebo. -Lightning-fast chat. -No adds. -Save …

Check ReChat (Android messenger): http://refineandroid.doodlekit.com/ - Facebook, Yahoo!®, Google Talk, WLM/MSN, Jabber/XMPP; - group chat (Yahoo!®, Google Talk, WLM/MSN, XMPP); - free voice calls...

Nearish is a site that lets you connect with people all over the world. Log in with Facebook and make conversation with local users, or travel somewhere exotic!

A beautiful, free, easy-to-use chat (instant messaging) application for the XMPP protocol (Jabber, Google Talk). Project has been discontinued, though source code is still available on website

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 …

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, …

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 …

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 …

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, …

FBMessenger is a stand-alone Facebook Messenger app for Linux, very similar to the official Messenger for Windows. It was created by Jack O'Connor, a Facebook Developer.

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 …

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 …

Chat everywhere! IM+ is the most widely used mobile IM app! Connect all-in-one to MSN, Yahoo!, Google Talk, AIM, Jabber, ICQ, Facebook, MySpace, Skype, and Twitter on ALL popular mobile …

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 …

iChat (formerly iChat AV) is an AOL Instant Messenger (AIM), MobileMe, ICQ and XMPP client by Apple Inc. for their Mac OS X operating system. Using a Jabber-like protocol and …

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 …

Pidgin - бесплатная программа для мгновенного обмена сообщениями. Сохраняет переписку между контактами, позволяет сортировать контакты по группам, создавать чаты/конференции. Доступны установка аватаров, обмен файлами, изменение шрифта, смайлы, метаконтакты и многое …

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 …

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.

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...

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)! ...