<strong>If you are currently using an Instant Messenger like Telegram, LINE, Viber, <ahref="https://www.eff.org/deeplinks/2016/10/where-whatsapp-went-wrong-effs-four-biggest-security-concerns">WhatsApp</a>, or plain SMS you should pick an alternative here.</strong>
description="A free software End-to-End Encrypted chatting application that supports instant messaging, voice, and video calls. Full source code is available."
labels="warning:<ahref=//www.vice.com/en_us/article/gvzw5x/secure-messaging-app-wire-stores-everyone-youve-ever-contacted-in-plain-text>Warning</a>:Wire stores some plaintext metadata about its users on their servers. This data includes profile names, profile pictures, usernames, and users' lists of connections and conversations.|success:VoIP"
<li><ahref="https://briarproject.org/">Briar</a> - An ultra-secure peer-to-peer instant messenger that connects to contacts via Direct Wi-Fi, Bluetooth, or Tor over the internet, keeping its users protected from surveillance and censorship.</li>
<li><ahref="https://about.riot.im/">Riot</a> - An open-source, federated messenger that utilizes the Matrix protocol. This application is primarily recommended as a large group/team chat solution. While Riot has the ability to perform 1-on-1 communications we believe there are better solutions for direct communications.</li>
<li><ahref="https://retroshare.cc/">RetroShare</a> - An E2E encrypted instant messaging and voice/video call client. RetroShare supports both TOR and I2P. </li>
<li><ahref="https://conversations.im/">Conversations</a> (Android) - An open source Jabber/XMPP client for Android 4.4+ smartphones. <spanclass="badge badge-success">OMEMO</span></li>
<li><ahref="https://gajim.org/">Gajim</a> (FreeBSD, Linux, Windows) - An open source fully featured XMPP client. <spanclass="badge badge-success">OMEMO</span></li>
<li><ahref="https://monal.im/">Monal</a> (iOS, MacOS) - An XMPP client in active development. <spanclass="badge badge-success">OMEMO</span><spanclass="badge badge-success">VoIP</span></li>
<li><ahref="https://www.kontalk.org/">Kontalk</a> - A community-driven instant messaging network. Supports end-to-end encryption. Both client-to-server and server-to-server channels are fully encrypted.</li>
<li><ahref="https://keybase.io/">Keybase</a> - <spanclass="badge badge-warning"data-toggle="tooltip"title="This software relies on a closed-source central server.">Warning</span> End-to-end encrypted messaging with social verification.</li>
<li><ahref="https://status.im/">Status</a> - <spanclass="badge badge-warning">Experimental</span> A free and open-source, peer-to-peer, encrypted instant messanger with support for DAPPs.</li>
<li><ahref="https://tox.chat/">Tox</a> - <spanclass="badge badge-warning">Experimental</span> A free and open-source, peer-to-peer, encrypted instant messaging and video calling software. <spanclass="badge badge-success">VoIP</span></li>
<li><ahref="https://jami.net/">Jami (formerly Ring/SFLphone)</a> - Gives you full control over your communications and an unmatched level of privacy. Jami has <em>text messaging, video and audio calls, file transfer, video conferencing</em>. <spanclass="badge badge-success">VoIP</span></li>
<li><ahref="https://firstlook.org/theintercept/2015/07/14/communicating-secret-watched/">Chatting in Secret While We're All Being Watched - firstlook.org</a></li>
<li><ahref="https://signal.org/android/apk/">Advanced users with special needs can download the Signal APK directly. Most users should not do this under normal circumstances.</a></li>
<li><ahref="https://eprint.iacr.org/2016/1013.pdf">A Formal Security Analysis of the Signal Messaging Protocol (2019)</a> by Katriel Cohn-Gordon, Cas Cremers, Benjamin Dowling, Luke Garratt and Douglas Stebila</li>
<li><ahref="https://wire.com/en/security/#audits">Independent security audits</a> on Wire's website</li>
<li><ahref="https://keybase.io/docs-assets/blog/NCC_Group_Keybase_KB2018_Public_Report_2019-02-27_v1.3.pdf">Keybase's Protocol Security Review (2019)</a> by <ahref="https://www.nccgroup.trust/">NCC Group</a></li>