StealthChat is an industrial strength chat and phone call app for professionals that value real privacy and security. StealthChat uses advanced end to end encryption to ensure that only the sender and recipient have access to the content of the message or phone call.
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.
Tox - Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.
Element.io - Secure messaging app with strong end-to-end encryption, advanced group chat privacy settings, secure video calls for teams, encrypted communication using Matrix open network. Riot.im is now Element.
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
uTox - µTox is the lightweight client with minimal dependencies; it not only looks pretty, it runs...
Wickr - Wickr is a free end-to-end encrypted text, video, picture and voice messenger with full sender...