Thunderbird Thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. The project strategy is modeled after Mozilla Firefox. Free Open Source Mac Windows Linux BSD PortableApps.com ... Haiku Extensible by Plugins/Extensions Built-in RSS reader Calendar integration Customizable ... Extensible by Plugins/Extensions Free API Import from Google Reader Integrated Chat Integrated Web Browser Multiple Account support Export to OPML Import feeds from OPML POP3 Support Portable Tabbed interface Add a feature 1725 Like
Pidgin 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... Free Open Source Mac OS X Windows Linux BSD PortableApps.com ... Xfce Multiple protocols Extensible by Plugins/Extensions Multiple protocols support Multiple languages ... Multiple Account support Multiple chat protocols Portable Supports XMPP Video calling Voice Call Add a feature 1430 Like
Trillian 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... Freemium Mac OS X Windows Linux Web Android ... iPhone Blackberry iPad Facebook integration Multiple protocols POP3 Support Team Collaboration Add a feature 269 Like
Digsby 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... Free Open Source Windows Multiple protocols Add a feature 219 Like Discontinued The application is not developed actively anymore. The source code has been made open for the community to take over but that didn't make any impact: https://github.com/ifwe/digsby | https://web.archive.org/web/20121205002331/http://blog.digsby.com/archives/1969/
Yahoo! Messenger Stay in touch with your friends and family while sharing favorite photos using one of the most popular instant messaging applications. Free Web Android iPhone Blackberry Video calling Voice Call Add a feature 88 Like
Disa Disa is your new messaging hub. Conversations from different services can seamlessly be joined together, or disbanded within seconds. Free Android Android Tablet Kindle Fire Extensible by Plugins/Extensions Texting Unified messaging Add a feature 18 Like
MetroIRC An IRC client for the Windows desktop which follows the Metro design guidelines. Free Open Source Windows No features added Add a feature 7 Like
4talk Messenger 4talk IM service is a complete IM service for communicating with your phone contacts using your PC in the office or at home. You can transfer files and messages and... Freemium Mac OS X Windows Web Android iPhone No features added Add a feature 4 Like
aMSN aMSN is a free open source MSN Messenger clone. aMSN attempts to emulate the look and feel of Windows Live Messenger, and supports many of its features. Free Open Source Windows Linux PortableApps.com Built-in File transfer Group chat Multiple languages Portable ... Tabbed interface Add a feature 24 Like Discontinued The project is dead. The last release was on May 2012 according to SourceForge.
Jabiru Jabber client for Android. Free Android No features added Add a feature 5 Like Discontinued The app has been discontinued. Last version, 2.2.2.1, released in May 2013, can be still downloaded from Google Play Store.
Gyach Gyach is a GTK+ based Yahoo! Chat client. Free Open Source Linux BSD No features added Add a feature 2 Like Discontinued The project seems to be no longer developed. Last version, v0.9.8, released in July 2004, can be still downloaded from the official website.
Sim-IM Sim-IM, Simple Instant Messenger, is a multiple protocol instant messenger for MS Windows, GNU/Linux, FreeBSD. Sim-IM supports Jabber/XMPP, Google Talk, ICQ and AIM... Free Windows Linux BSD Multiple protocols Add a feature 4 Like Discontinued The project is no longer developed. Last versions for Windows and Linux date back to 2008, but they can be still downloaded from the official website.
Centericq Centericq is a text mode menu- and window-driven IM interface that supports the ICQ2000, Yahoo!, AIM, IRC, MSN, Gadu-Gadu and Jabber protocols. Free Open Source Mac OS X Windows Linux BSD Built-in RSS reader Add a feature 1 Like Discontinued The program is no longer updated. Last version, 4.21.0, released in September 2005, can be still downloaded from the official website.
Chit Chat for Facebook Chit Chat for Facebook is a fast and easy way in which to reach your Facebook friends and family. Using Chit Chat, you can send Facebook instant messages from your... Freemium Windows Web iPhone Blackberry Facebook Facebook integration Add a feature 23 Like
