Apollo vs AppFog: What are the differences?
What is Apollo? GraphQL server for Express, Connect, Hapi, Koa and more. Build a universal GraphQL API on top of your existing REST APIs, so you can ship new application features fast without waiting on backend changes.
What is AppFog? Simple PaaS for Java, Python, Node, .Net, Ruby, PHP, MySQL, Mongo, and PostgreSQL. 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.
Apollo and AppFog can be primarily classified as "Platform as a Service" tools.
"From the creators of Meteor" is the primary reason why developers consider Apollo over the competitors, whereas "The basic plan is free" was stated as the key factor in picking AppFog.
Apollo is an open source tool with 7.53K GitHub stars and 935 GitHub forks. Here's a link to Apollo's open source repository on GitHub.