Originally, Flask had no explicit support for asynchronous functions or coroutines. Coroutines are now a standard feature in Python, and as of version 2.0, Flask supports async methods for route ...

The concept for Sanic is simple: Provide a web framework with a syntax based on the widely used Flask, but build it on top of the wicked-fast asynchronous event handlers available in Python 3.5 ...

Microsoft added new Web app tutorials -- covering Django and Flask -- to its Python documentation for Visual Studio and its open source little cousin, the cross-platform Visual Studio Code editor.