VoIP

Find a voice and video messenger that supports completely End-to-End encrypted calls.

Encrypted Video & Voice Messenger

Mobile: Signal

Mobile: Signal Signal is a mobile app developed by Open Whisper Systems. The app provides instant messaging, as well as voice and video calling. All communications are end-to-end encrypted. Signal is free and open source.

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Wire

Wire Wire is an app developed by Wire Swiss GmbH. The Wire app allows users to exchange end-to-end encrypted instant messages, as well as make voice and video calls. Wire is free and open source. Caution

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Linphone

Linphone Linphone is an open source SIP Phone and a free voice over IP service, available on mobile and desktop environments and on web browsers. It supports ZRTP for end-to-end encrypted voice and video communication.

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