Express.js

Express.js is a web application framework for Node.js, designed to simplify the process of building server-side applications. It provides a set of tools and features that help developers create web servers and APIs more easily and efficiently. With Express.js, you can handle requests, manage routes, and work with middleware—pieces of code that can modify requests or responses. It’s widely used because it allows for rapid development of web applications while offering flexibility and scalability for future needs. Essentially, Express.js makes it easier for developers to create robust and dynamic web services.