IM+

KMess is the Live Messenger alternative for Linux, aiming at integration with the KDE desktop environment. With KMess, chatting with friends using Live Messenger has never been so good. Features: …

WeChat is the complete mobile communication and private social networking app. Free, cross-platform, and full-featured, WeChat is the best way to keep in touch with everyone you care about. Features …

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

Zoho Chat is a web based chat system. You can access it using just a web browser and an internet connection. It does not need any software to be downloaded …

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

Tkabber is a Free and Open Source client for the Jabber instant messaging system. Its writen in Tcl/Tk, and works on many platforms (tested on Linux, FreeBSD, NetBSD, Solaris, MacOS …

ShMessenger Mobile is a free instant messaging client for mobile phones, which supports YMSG (Yahoo!), MSN and GTalk protocols. In just a few minutes, you can chat with your friends …

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....

Spotbros is an app where you can discover and share all types of content through public chat groups (Spots) or with your friends through private chats. Download our messaging app …

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...

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 …

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.

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)! ...

leafChat is an IRC client for Windows, Mac OS X, and Linux. Chat with your friends using popular IRC networks. leafChat has a friendly, clean interface that doesn't get in …