
Telegram
Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free. It is like SMS, but more powerful. .
Subrosa is an open source, end to end encrypted messaging app. It supports text, voice and video calls, and all communication is end to end encrypted. Subrosa can be run from any browser, without any downloads.
Subrosa is an open source, end to end encrypted messaging app. It supports text, voice and video calls, and all communication is end to end encrypted.
Subrosa can be run from any browser, without any downloads. Subrosa's security has been independently audited. It is licensed under the GPL license.
chat-clients instant-messaging messaging voice-chat group-chat Discontinued encrypted
Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free. It is like SMS, but more powerful. .
Free Mac OS X Windows Linux Android iPhone Web Blackberry Mac Windows Mobile
WhatsApp Messenger is a cross-platform mobile messaging app which allows you to exchange messages without having to pay for SMS.
Free Mac OS X Windows Android iPhone Android Tablet Web Blackberry S60
Jitsi (previously SIP Communicator) is an audio/video and chat communicator with full end-to-end encryption that supports protocols such as SIP, XMPP/Jabber, ICQ/AIM, Windows Live, Yahoo!, GTalk/Hangouts extensions, as well as OTR, ZRTP...
Free Open Source Mac OS X Windows Linux Android BSD Web
Jitsi Meet is an OpenSource (MIT) WebRTC JavaScript application that uses Jitsi Videobridge to provide high quality, scalable video conferences.
Free Open Source Web