# Express.js

> Express is a minimal and flexible Node.js web application framework that provides
> a robust set of features for building web and mobile applications. It is the
> standard server framework for Node.js and is part of the OpenJS Foundation.

- Website: https://expressjs.com
- GitHub: https://github.com/expressjs/express
- npm: https://www.npmjs.com/package/express
- License: MIT

## Documentation Sets

- [Guides (v5)](https://expressjs.com/llms/guides-5x.txt): Getting started, routing, middleware, error handling, debugging, and advanced topics for Express v5
- [Guides (v4)](https://expressjs.com/llms/guides-4x.txt): Getting started, routing, middleware, error handling, debugging, and advanced topics for Express v4
- [API Reference (v5)](https://expressjs.com/llms/api-5x.txt): Complete API documentation for Express v5
- [API Reference (v4)](https://expressjs.com/llms/api-4x.txt): Complete API documentation for Express v4
- [API Reference (v3)](https://expressjs.com/llms/api-3x.txt): Complete API documentation for Express v3
- [Official Middleware](https://expressjs.com/llms/middleware.txt): Documentation for middleware modules maintained by the Express.js team
- [Resources](https://expressjs.com/llms/resources.txt): Community resources, tools, and utilities for Express.js
- [Full Documentation](https://expressjs.com/llms/full.txt): All content in a single file

## Notes

- All content is sourced from the official Express.js documentation at https://expressjs.com
- Documentation is maintained by the Express.js team