Chat, calls and team messaging apps.
Telegram FZ-LLC
Fast and secure cloud messaging
Signal Foundation
Private messaging with end-to-end encryption
Discord Inc.
Chat, voice and community for everyone
Zoom Video Communications
Reliable video meetings and conferencing
Mumble Developers
Low-latency open-source voice chat
Element (New Vector)
Secure, decentralized Matrix messaging
8x8 / Jitsi
Free open-source video conferencing
Rakuten Viber
Free calls and messages worldwide
