Paz vs. AppFog vs. Engine Yard Cloud

A pluggable in-house service platform with a PaaS-like workflow, built on Docker, CoreOS, Etcd and Fleet.

AppFog provides the infrastructure web developers need to build apps without worrying about IT tasks or having to wait days to get servers ready for writing code. AppFog’s web application technologies include PHP, NodeJS, Ruby, Python, Java, .NET, MySQL, and PostgreSQL.

The Engine Yard Platform as a Service (PaaS) is a product family that leverages open source technologies to orchestrate and automate the configuration, deployment and management of applications on multiple infrastructures.