I heard about Nostr on Bitcoin Audible. I think it's like an alternative twitter, but there's more than that. I haven't gone very deep down this rabbit hole, but it's a protocol.
I started using:
I created a private/public key pair. You don't need to run a server, give anyone an email, create a password or anything.
You can also search for users and rooms at
I created Blogging Bitcoin, but there is also a Bitcoin room among others
Here are some interesting features:
No ads No bans No shadow bans You get an actual historical feed. LN bits integration.
Check it out!