Due to cutting ties with Google and Facebook as much as possible I don't use Signal nor WhatsApp. What alternatives are there?<p>I have been using Tox (qTox on Desktop and Antox on phone) and XMPP (Conversations on phone). I also tried Ring (Desktop and phone)<p>My observation is that there is a lot of user inertia to make people use another chat app, and none of which I tried is in good shape to compete right now with WhatsApp/Signal.<p>XMPP and Ring share the problem that encryption was an afterthought. That alone is enough to stop widespread adoption. There must not be unencrypted chats nor different security levels. Encryption must be transparent to the user.<p>Tox doesn't share that problem, and is what I have the highest hopes for. The clients are not yet able to compete with WhatsApp. Antox crashes sometimes, gets reaaaal slow, and doesn't send pseudo-offline messages reliably. Multi-Device support and real offline messaging is still lacking in the protocol. Multi-Device support is not needed, see WhatsApp, but real offline messaging is a must-have. Also, messages must be reliably delivered and in the order they are intended. Tests of mine between qTox and Antox showed problems in that regard.