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 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 ArticleAdium
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 Adium team. Based on the libpurple...
View ArticleKopete
Kopete is an instant messenger supporting AIM, ICQ, MSN, Yahoo, Jabber, IRC, Gadu-Gadu, Novell GroupWise Messenger, and more. It is designed to be a flexible and extensible multi-protocol system...
View ArticleaMSN
aMSN is a free open source MSN Messenger clone. aMSN attempts to emulate the look and feel of http://alternativeto.net/software/windows-live-messenger/, and supports many of its features. Offline...
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 ArticleICQ
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 one of the largest...
View ArticleTrillian
Trillian is an instant messaging app that works on phones, tablets, and desktops while keeping your chats neatly synchronized between all of them! We think conversation should be easily shared between...
View ArticleiChat
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 Bonjour for user...
View ArticlePalringo
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 click...
View ArticleIM+
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 platforms. The...
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 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 ArticleEmpathy
Empathy is a messaging program which supports text, voice, video chat, and file transfers over many different protocols. You can tell it about your accounts on all those services and do all your...
View ArticleAstro Messenger
Astro Messenger beats the other app with complement Facebook support. Group Chat Facebook Sticker Shop Privacy Control, turning chat off to nosy friends Messenger folder: inbox, spam, archived, other...
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 ArticleHall
Real-time chat & texting for business teams. Free on Mac, Windows, Web, Android, and iPhone ** Why Business Teams Love Using Hall ** Group & Private Chat Easily message one-on-one or in groups...
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