Emacs Rocket.chat client.
Please add below dependency to Cask file.
(depends-on "rocket-chat" :git "https://github.com/4hiziri/rocket-chat")
M-x rocket-chat
You need enter server url (like https://example.com), user name and password. Then channels list shows up.
Key bind
C-c C-l- Return to channels list.
C-c C-n- If new post exists, fetch it.
C-c C-u- Show user list with their connection status.