We are looking at a number of alternatives as well. A number of the common ones mentioned don't have feature parity with Heroku for larger apps (log drains to e

We are looking at a number of alternatives as well. A number of the common ones mentioned don't have feature parity with Heroku for larger apps (log drains to external logging services, CLIs, etc). Aptible looked pretty mature (they are trying to be Heroku, but for apps that need more security/compliance), and Platform.sh is intriguing as well.