Cloud Foundry vs PythonAnywhere: What are the differences?
Cloud Foundry: Deploy and scale applications in seconds on your choice of private or public cloud. Cloud Foundry is an open platform as a service (PaaS) that provides a choice of clouds, developer frameworks, and application services. Cloud Foundry makes it faster and easier to build, test, deploy, and scale applications; 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.
Cloud Foundry and PythonAnywhere belong to "Platform as a Service" category of the tech stack.
Cloud Foundry is an open source tool with 605 GitHub stars and 532 GitHub forks. Here's a link to Cloud Foundry's open source repository on GitHub.