Jitsi
Open-source video calling and chat platform.
21 Alternatives To Jitsi
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.
LINE
LINE is a Japanese proprietary application for instant messaging on smartphones and PCs.
Nimbuzz
Get the latest, headlines, breaking, regional news 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.
Rambox
Free, open source and cross platform messaging and emailing app that combines common web…
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.
WeChat
WeChat is a complete mobile communication and private social networking app.
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.
Wire
Private & Secure Messenger
Zoom
Zoom unifies cloud video conferencing, simple online meetings, group messaging, and a software-based conference room solution.
ooVoo
Free high quality video chat and video conferencing from ooVoo.