FastAPI
FastAPI is an Open Source, modern, fast (high-performance), web framework for building APIs with Python 3.6+ based on standard Python type hints.
21 Alternatives To FastAPI
ActFramework
ActFramework is a full stack Java MVC framework. The experience of using Act is very much like using a combination of SpringBoot and Play!Framework 1.x. It got the best parts of both products without the cons.
CherryPy
CherryPy allows developers to build web applications in much the same way they would build any other object-oriented Python program.
Spring-Boot
Create Spring-powered, production-grade applications and services with absolute minimum fuss