Express Framework

The Express framework is a web application framework for Node.js, released as free and open-source software under the MIT License. It is designed for building web applications and APIs. It has been called the de facto standard server framework for Node.js.

The Express framework is a minimal and flexible Node.js web application framework that provides a set of features for web and mobile applications.

The Express framework provides a set of middleware functions that can be used to perform common tasks such as parsing request bodies, authenticating requests, and serving static files.

The Express framework is often used in conjunction with the Node.js web server module, Express.js.

The Express framework has a number of features that make it a good choice for building web applications and APIs:

1. It is easy to use
2. It is easy to extend
3. It has a small footprint
4. It is fast
5. It is well-documented

There are a number of other web application frameworks available for Node.js, such as Restify, Koa, and Hapi.

1. It is widely used
2. It is open source

There are a number of other web application frameworks available for Node.js, such as Restify, Koa, and Hapi.