waitress

Waitress is a WSGI server implemented in pure Python designed for production environments, offering commendable performance with no external dependencies beyond the Python standard library. It supports both HTTP/1.0 and HTTP/1.1, operates on CPython and PyPy 3.9+ across Unix and Windows platforms, and is particularly suitable for applications needing a reliable, lightweight server. Notable features include its simplicity in installation and configuration, making it an accessible choice for developers.