
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. .
Riot (formerly Vector) is an opensource interoperable app running on Web, iOS and Android.
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
TextSecure and RedPhone have been merged to create Signal! Using Signal, you can communicate instantly while avoiding SMS fees, create groups so that you can chat in real time with all your friends at once, and share media or...
Free Open Source Mac OS X Windows Linux Android iPhone Android Tablet iPad Chrome
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
Matrix is an open standard for decentralized persistent communication over IP. It can be used for decentralised group chat, WebRTC signaling, IoT-data transfer, and generally to link together fragmented silos of communication.
Free Open Source Windows Linux Android iPhone Android Tablet iPad Web Mac
Conversations is a privacy focused, open source XMPP Texting [Jabber] client for Android 4.0+ smart phones with wife-approved easy encryption [OTR, OMEMO, or GPG].
Free Open Source Android Android Tablet
Jitsi Meet is an OpenSource (MIT) WebRTC JavaScript application that uses Jitsi Videobridge to provide high quality, scalable video conferences.
Free Open Source Web
Secure Chat is a Slack-alternative hosted in Switzerland. It provides a platform for teams to communicate and collaborate and share files. It has several features more...
Commercial iPhone Web