Fat-Free vs webapp2: What are the differences?

Developers describe Fat-Free as "PHP micro-framework designed to help you build dynamic and robust Web applications - fast". Fat-Free Framework makes it easy to build entire Web sites in a jiffy. With the same power and brevity as modern Javascript toolkits and libraries, F3 helps you write better-looking and more reliable PHP programs. On the other hand, webapp2 is detailed as "Lightweight Python web framework compatible with Google App Engine’s webapp". webapp2 is a simple. it follows the simplicity of webapp, but improves it in some ways: it adds better URI routing and exception handling, a full featured response object and a more flexible dispatching mechanism.

Fat-Free and webapp2 belong to "Frameworks (Full Stack)" category of the tech stack.

Fat-Free is an open source tool with 2.3K GitHub stars and 443 GitHub forks. Here's a link to Fat-Free's open source repository on GitHub.