CherryPy
https://cherrypy.org/
Python

CherryPy is a lightweight, object-oriented web framework for Python. It provides a minimalistic and intuitive approach to building web applications, making it easy for developers to create robust and efficient web services. CherryPy is known for its simplicity, performance, and extensibility, making it a popular choice for both small-scale and large-scale projects.

CherryPy follows a modular design, where applications are structured around HTTP request handlers represented as Python classes and methods. These request handlers map URLs to the corresponding methods, allowing developers to define custom routes and handle different types of requests. CherryPy abstracts away the complexities of the HTTP protocol, session management, and request/response handling, enabling developers to focus on the application logic.

One of the key features of CherryPy is its built-in web server, which eliminates the need for external server software during development and testing. This makes it easy to get started with CherryPy applications without any additional setup. However, CherryPy can also be deployed on various production servers, such as Apache or Nginx, for scalability and performance.

CherryPy supports a range of advanced features, including request parameter parsing, template rendering, caching, and authentication. It integrates well with other Python libraries and frameworks, making it flexible and suitable for a wide range of web development needs.