A little about RetroShare
From Wikipedia:
RetroShare is a free cross-platform software for serverless email, instant messaging and files using an encrypted F2F (and optionally P2P) network built on GPG. It is not a darknet in the strict sense of the word, as peers can exchange certificates and IP addresses with their friends.
Strictly speaking, in the strict sense of the strict word, here it is, finally, the crown of anonymous communication in the world of distributed OpenSource! Thank you, oh mighty open source developers.

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Read more about RetroShare
Now we say: yes, that's right, you understand, if you think you need to exchange public keys with friends. Remember, only during a personal meeting, only anonymously, it is desirable that no one saw you, and remember that this is impossible!

So, when you first meet with RetroShare, you will be asked to choose a language:

Then you probably want to click the following button:

When successfully pressed, you will want to adopt the GPL!

And suddenly! This great, unmatched Qt program:

Look, how nice, it already generates a key for encryption while you write this article.

Little about opportunities
Now you can EVERYTHING! And I'm not talking about a plugin for VOIP, understand? I mean EVERYTHING - a
plugin for Bitcoin




As you can see, even the mail is. Now you do not need to go to the website of the corporation to write a letter to your mother.