qutIM
qutIM - free open-source multiprotocol ( ICQ, Jabber/GTalk/Ya.Online/LiveJournal.com, Mail.
17 Alternatives To qutIM
Adium
Adium is a free instant messaging application for Mac OS X that can connect to AIM, MSN, Jabber, Yahoo, and more.
Beagle IM
Lightweight & powerful XMPP client for macOS
Disa
Disa is your new messaging hub.
Facebook Messenger
Facebook Messenger is a faster way to message.
Facechat
Facechat - Facebook dating. Meet new friends around the world. Free online chat rooms LIVE!
Franz
Franz is your messaging app for WhatsApp, Facebook Messenger, Slack, Gmail, Telegram and many many more.
ICQ
ICQ is one of the oldest instant messengers.
IM+
Chat everywhere! IM+ is the most widely used mobile IM app! Connect all-in-one to MSN, Yahoo!, Goo…
Jitsi
Open-source video calling and chat platform.
Kadu
Kadu is an open source Jabber/XMPP and Gadu-Gadu instant messenger client for Linux, *BSD, Mac and…
Messenger Lite
Lite version of Facebook Messenger
Messenger for Desktop
A simple & beautiful app for Facebook Messenger.
Miranda NG
Miranda NG is a successor of a popular multi-protocol instant messaging client for Windows - Miranda IM. Very light on system resources and extremely fast.
Pidgin
Pidgin is an easy to use and free chat client used by millions. Connect to AIM, MSN, Yahoo, and more chat networks all at once.
Psi
Psi is a multi-platform and standards-based instant messaging client available for Windows, Linux, Mac and more.
Trillian
Trillian is a decentralized and federated instant messaging platform that lets your whole company send private and group messages, keep tabs on what co-workers are doing, share files, and much more.
YakYak
Desktop client for Google Hangouts