It's not a supported, paid, commercial product...if you want to use it, you can set it up yourself. If you want to have someone set it up and support it, you c

It's not a supported, paid, commercial product...if you want to use it, you can set it up yourself. If you want to have someone set it up and support it, you can hire someone, or use your own staff. It's no different than 99% of open source software out there. It's not slack--they don't host it for you. I don't understand your second question.