Haven't found the one yet:
* <open source software>, doh
* <end-to-end encryption>...
* has browser frontend and <Android> app
* public URL without sharing your mobile phone: <messaging software that force you to have a mobile phone>
* self-destroying messages (turned on by default please)
* user base large enough to give some confidence that it was reviewed for security issues
* easy/built-in setup over <Tor (anonymity network)>

Optional but really <ideal>:
* can delete messages from the device of the person you sent it to, no matter how old
* decentralized, your username is a public key

The state of messaging is ridiculous as of 2020.


The perfect privacy messaging software features

ID: the-perfect-privacy-messaging-software-features