I'll pile on! Cloud Foundry is another opensource PaaS: https://www.cloudfoundry.org/learn/features/ https://www.cloudfoundry.org/learn/features/ (Disclaimer:

I'll pile on! Cloud Foundry is another opensource PaaS: https://www.cloudfoundry.org/learn/features/ https://www.cloudfoundry.org/learn/features/ (Disclaimer: I work for Pivotal, which donates the majority of engineering effort to Cloud Foundry)