If you're looking for a private Heroku that's multi-host, check out http://deis....

gabrtv on Dec 12, 2013 | parent | context | favorite | on: Your own mini-Heroku for $5/month

If you're looking for a private Heroku that's multi-host, check out http://deis.io/. We are about to announce our 0.3 release which features team support (e.g. deis sharing:add <user>)