XMPP is a wonderful decentralized open communication protocol for instant messaging, and an open standard. As such, there's an XMPP server hosted at vitali64.duckdns.org. It's powered by the wonderful Prosŏdy server software. We're also 95% compliant, according to https://compliance.conversations.im/.
Registrations
Like other services, ask on IRC.
How-to
Once you have an account, you can choose between multiple clients:
Client |
Platform |
Notes |
Website |
Poezio |
*nixes |
For OMEMO you need a plugin |
|
Gajim |
*Linux, Windows, Mac OS |
Looks like discord |
|
Dino |
*Linux, *BSD |
GTK |
|
Profanity |
*Linux, FreeBSD, OpenBSD, Mac OS, Windows |
Sometimes laggy |
|
Conversations.im |
Android |
|
For newbies, use Gajim or Dino. There are many more clients available: https://xmpp.org/getting-started/