Ask Android @lemdro.id sabreW4K3 @lazysoci.al 2w ago Does this instant messenger exist? lazysoci.al Telegram apparently censor queer groups - lazysoci.al
Are you looking for something like Briar, or even Jabber/XMPP?
https://i2pd.readthedocs.io/en/latest/tutorials/xmpp/
Your crosspost isn't really clear, but I do have a superb sticker pack for zero fees?
Both Briar and Jabber/XMPP are great P2P services, but lack anything to coordinate and sync chats and groups.