AppScale vs PythonAnywhere: What are the differences?
AppScale: An open source implementation of Google App Engine. Run your applications in any cloud- public, private or hybrid. AppScale is a platform that allows users to deploy applications developed using the Google App Engine APIs over Amazon EC2, Rackspace, Google Compute Engine, Eucalyptus, Openstack, CloudStack, as well as KVM and VirtualBox; PythonAnywhere: Micro PaaS for Python web apps. Develop and host Python from your browser. It's somewhat unique. A small PaaS that supports web apps (Python only) as well as scheduled jobs with shell access. It is an expensive way to tinker and run several small apps.
AppScale and PythonAnywhere can be categorized as "Platform as a Service" tools.
AppScale is an open source tool with 2.39K GitHub stars and 273 GitHub forks. Here's a link to AppScale's open source repository on GitHub.