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 Multiple protocols support Extensible by Plugins/Extensions Multiple languages ... Multiple Account support Multiple chat protocols Portable Supports XMPP Video calling Voice Call Add a feature 1431 Like
Jitsi 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... Free Open Source Mac OS X Windows Linux Web Android ... BSD End-to-end encryption Group chat iPhone/iPod sync Multiple protocols ... Multiple Account support OTR Video calling WebRTC Add a feature 270 Like
Facebook Messenger Facebook Messenger is a faster way to message. Reach friends right on their phones, get and send messages fast, message everyone at once and more. Top Features: •... Free Windows Web Android iPhone Blackberry ... Android Tablet iPad Apple Watch Android Wear Group chat Video calling Voice Call Add a feature 181 Like
Franz Franz is a free messaging app / former Emperor of Austria and combines chat & messaging services into one application. Franz currently supports Slack, WhatsApp... Freemium $ $ $ Open Source Mac OS X Windows Linux Multiple protocols Gitter integration Gmail integration iPhone/iPod sync ... Lightweight wrapper Multiple Account support Slack integration Unified messaging Add a feature 86 Like
Imo Message and video chat with your friends and family for free. Features - Make high-quality video and voice calls on Android and iPhone - Send unlimited messages... Free Windows Android iPhone Android Tablet iPad Push to talk Video calling Voice Call Voice messages Add a feature 208 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
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
Adium 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... Free Open Source Mac OS X Customizable Multiple languages Multiple protocols OTR ... Tabbed interface Support for Themes Add a feature 329 Like
Empathy 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... Free Open Source Linux BSD Built-in File transfer Multiple protocols Video calling Add a feature 154 Like Discontinued Empathy is currently unmaintained. Last version, 3.25, released in August 2017, can be still downloaded from the official website.
Miranda 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... Free Open Source Windows PortableApps.com Multiple protocols Portable Add a feature 222 Like
IM+ 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 and Twitter on ALL... Freemium Web Windows Mobile Android iPhone Java Mobile ... S60 HP webOS Blackberry Android Tablet Windows Phone iPad Kindle Fire Multiple Account support Multiple protocols support Add a feature 102 Like
Messenger for Desktop A simple & beautiful app for Facebook Messenger. Chat without distractions on any Operating System. Free Open Source Mac OS X Windows Linux No features added Add a feature 8 Like Bundleware Be careful during the installation: https://alternativeto.net/discussions/applications/11718/be-careful-in-the-installation/
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
Kopete 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... Free Open Source Mac OS X Linux BSD No features added Add a feature 68 Like
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... Free Open Source Mac OS X Windows Linux S60 BSD ... Haiku Multiple protocols Add a feature 27 Like Discontinued The project seems to be no longer developed. Last versions for Windows, Mac, Linux and other platforms can be still downloaded from the official website.
