What are the clients for anonymous communication on the P2P network?

Question

Anonymity

What are the clients on the p2p protocol for anonymous communication with open source.
It is desirable that there be support for mobile devices on the iOS and Android platforms ??

Answer 1

tox and its variations - utox, antox (for Android) and so on

Answer 2

for anonymous communication there is XMPP set up a server at home and no p2p is needed
in p2p until you meet worthy tox very inconvenient addresses look like file hashes