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 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 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 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 ArticleQQ International
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 10th overall in...
View ArticleAIM
AOL Instant Messenger is an instant messaging and presence computer program which uses the proprietary OSCAR instant messaging protocol and the TOC protocol to allow registered users to communicate in...
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 ArticleSocialite
Socialite is a revolutionary social application that keeps all your social networks in one convenient place! Socialite makes it easy to stay in touch with the social networks and services that matter...
View ArticleTapSocial
With TapSocial, you won’t miss any of your latest Twitter Tweets or friends' Facebook Status updates as they scroll along your desktop like a traditional news ticker. As you multi-task throughout your...
View ArticleEggy
I really love the new Mountain Lion sharing services in the notification center. The only disadvantage is that you still have to click in order to start your Tweet or write your Facebook message. Well,...
View ArticleTweetings
Tweetings is a Twitter client for Mac OS X with an extensive feature list including lists, exclusion filters, TwitLonger, GeoLocation and syncs your timeline with your iPhone or iPad! Follow your...
View ArticleNymphicus
Nymphicus is a desktop client for the quite popular microblogging service Twitter. It’s main design goals are being a native application (so no Java oder Adobe Air will be needed to be installed...
View ArticleTweetbot
Tweetbot is a full-featured Twitter client with a lot of personality. Whether it’s the meticulously-crafted interface, sounds & animation, or features like multiple timelines & smart gestures,...
View ArticleBleep
Private instant messaging via secure, distributed technology. Download & Go Enjoy the benefits of having an account without the hassle of creating one. Simply download the app, invite your friends...
View ArticleOysttyer
Oysttyer is a console text-based command-line Twitter client and Perl platform, fork of https://alternativeto.net/software/ttytter/
View ArticleTui
Twitter client based on mobile.twitter.com in menu bar. Features: - Provide all features even if Twitter API doesn't provide (tracing conversation, group DM, votes, sync with twitter.com, ...). -...
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