A secure public Jabber/XMPP server federated on Tor and the Internet.
Formerly rows.io
Enable Off-The-Record in your chat client to have fully encrypted chats. Connections to rows.im are also TLS secured.
Create a group chatroom @conference.rows.im that any Jabber user can join.
rows.im will federate with any XMPP server that accepts TLS S2S connections.