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.
21 Alternatives To Pidgin
Adium
Adium is a free instant messaging application for Mac OS X that can connect to AIM, MSN, Jabber, Yahoo, and more.
Digsby
Tagged makes it easy to meet and socialize with new people through games, shared interests, friend suggestions, browsing profiles, and much more.
Discord
Step up your game with a modern voice & text chat app. Crystal clear voice, multiple server and channel support, mobile apps, and more.
Facebook Messenger
Facebook Messenger is a faster way to message.
Franz
Franz is your messaging app for WhatsApp, Facebook Messenger, Slack, Gmail, Telegram and many many more.
Gajim
Full featured and easy to use Jabber client
HexChat
HexChat is a fork of XChat with bug fixes and new features.
Jitsi
Open-source video calling and chat platform.
KVIrc
KVIrc is a free portable IRC client based on the excellent Qt GUI toolkit.
Kiwi IRC
A hand-crafted IRC client that you can enjoy. Designed to be used easily and freely.
LINE
LINE is a Japanese proprietary application for instant messaging on smartphones and PCs.
Signal
Fast, simple & secure messaging. Privacy that fits in your pocket.
Slack
A messaging app for teams who see through the Earth!
Telegram
Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Tox
Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.
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.
Vabotu
More than slack. More than Trello. FREE.
WeeChat
WeeChat is a fast, light and extensible chat client.
WhatsApp
WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.
irssi
Irssi is a terminal based IRC client for UNIX systems.