qutIM
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.
View ArticleGajim
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 released under the GNU General Public License.
View ArticleInstantbird
Instantbird is an instant messaging client based on Mozilla XULRunner and the open source library libpurple created by the software developers of http://alternativeto.net/software/pidgin/ . Over 250...
View ArticlePsi
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 are available in almost twenty...
View ArticleEmesene
emesene is an instant messenger capable of connecting to various networks and utilizing different graphical toolkits. Currently msn and jabber are supported through papyon and xmppy, which allows...
View ArticlePidgin
Pidgin is an easy to use, multi-protocol chat client client used by millions. Connect to AIM, MSN, Yahoo, XMPP, and more chat networks all at once. It has built-in support for NSS, offering...
View ArticleKadu
Kadu is an open source Jabber/XMPP and Gadu-Gadu instant messenger client for Linux, *BSD, Mac and Windows.
View ArticleDigsby
Digsby is a multiprotocol IM client that lets you chat with all your friends on AIM, MSN, Yahoo, ICQ, Google Talk, and Jabber with one simple to manage buddy list. Its also a social networking tool...
View ArticleMiranda IM
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...
View ArticleTkabber
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 X and Windows...
View ArticleSpark
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...
View ArticleOneTeam
OneTeam – simple, secure and easy to use. OneTeam is a versatile instant messaging client that is very intuitive to use. Even people who are new to instant messaging will find it easy to get started,...
View ArticleJitsi
Jitsi (previously SIP Communicator) is an audio/video and chat communicator with full end-to-end encryption that supports protocols such as SIP, XMPP/Jabber, ICQ/AIM, Windows Live, Yahoo!,...
View ArticleHexChat
HexChat is a fork of XChat with bug fixes and new features.. It's free and a continuation of the XChat-WDK project.
View ArticleCoccinella
Coccinella is a free and open-source cross-platform instant messaging client with a built-in whiteboard for improved collaboration with other people.
View ArticlePsi+
Psi+ is a development branch of http://alternativeto.net/software/psi/ IM XMPP/Jabber client. Psi is a cross-platform powerful XMPP/Jabber client (Qt, C++) designed for the Jabber power users.
View ArticleTorchat
TorChat is a peer to peer instant messenger with a completely decentralized design, built on top of Tor's location hidden services, giving you extremely strong anonymity while being very easy to use...
View ArticleMiranda NG
Miranda New Generation is a successor of a popular multi-protocol instant messaging client for Windows - http://alternativeto.net/software/miranda-im/ . Very light on system resources and extremely...
View ArticleVacuum-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...
View ArticleNettalk
Nettalk is a powerful but easy to use free (open source) IRC-client for Windows. The smart user interface is based on Windows standards, so it is easy to get used to it. The following languages for the...
View ArticleBitlBee
BitlBee brings IM (instant messaging) to IRC clients. It's a great solution for people who have an IRC client running all the time and don't want to run an additional MSN/AIM/whatever client. BitlBee...
View ArticlePandion
Pandion is an open source instant messaging client for XMPP networks. Keep in touch with friends or collaborate with colleagues using Pandion instant messenger. Pandion is free software and uses open...
View ArticleKVIrc
KVIrc is a free portable IRC client based on the excellent Qt GUI toolkit. KVirc is being written by Szymon Stefanek and the KVIrc Development Team with the contribution of many IRC addicted developers...
View ArticleSubway
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...
View ArticleAyttm
Ayttm is an instant messaging (aka chat) client that provides all-in-one chat functionality for several major instant messaging services from one simple program. Ayttm "Contacts" allow you to refer to...
View ArticleScrollZ IRC Client
ScrollZ is an advanced IRC client based on ircII. It incorporates many useful features found in all sorts of scripts. The main difference between these scripts and ScrollZ is the code - whereas ircII...
View ArticleQuassel IRC
Quassel IRC is a modern, cross-platform, distributed IRC client based on the Qt4 framework. Distributed means that one (or multiple) client(s) can attach to and detach from a central core that stays...
View ArticleYakYak
What does it do: * Send/receive chat messages * Create/change conversations (rename, add people) * Leave/delete conversation * Notifications * Toggle notifications on/off * Drag-drop, copy-paste or...
View ArticleZeroChat
An IRC-like internet chatroom hosted on ZeroNet, a distributed network. 0rc is a fully distributed website, and messages are shared through peers using the ZeroNet stack. In addition, making a new...
View ArticleXChat for Linux
XChat is an IRC chat program for both Linux (Open Source) and Windows (Shareware, 30-day trial). It allows you to join multiple IRC channels (chat rooms) at the same time, talk publicly, private...
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