My dream is a command line email client with Google Inbox's todo list mentality, with Vim keybindings which I can keep in a Mosh session. Is there anything at

My dream is a command line email client with Google Inbox's todo list mentality, with Vim keybindings which I can keep in a Mosh session. Is there anything at all like this? I'm still getting the hang of Mutt and setting it up properly, it feels a long way off.