yaxim - yaxim Feb 7th, 2013 yaxim (Yet Another XMPP Instant Messenger) is a Jabber/XMPP client with open...
ChatSecure - ChatSecure is a free and open source messaging app that features OTR encryption over XMPP.
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.
Xabber - Open source Jabber (XMPP) client with multi-account support, clean and simple interface.
Otr.to - A secure peer-to-peer chat in your web browser.
Tox - Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.