expressjs/express — a backend project — sits at 69.3k GitHub stars in the Backend space. Fast, unopinionated, minimalist web framework for node.
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Fast, unopinionated, minimalist web framework for Node.js.
Table of contents
Installation
Features
Docs & Community
Quick Start
Philosophy
Examples
Contributing
Security Issues
Running Tests
Current project team members
TC (Technical Committee)
TC emeriti members
Triagers
Emeritus Triagers
License
import express from 'express'
const app = express()
app.get('/', (req, res) => {
res.send('Hello World')
})
app.listen(3000, () => {
console.log('Server is running on http://localhost:3000')
})
Installation
This is a Node.js module available through the
npm registry.
Before installing, download and install Node.js.
Node.js 18 or higher is required.
If this is a brand new project, make sure to create a package.json first with
the npm init command.
Installation is done using the
npm install command:
npm install express
Follow our installing guide
for more information.
Features
Robust routing
Focus on high performance
Super-high test coverage
HTTP helpers (redirection, caching, etc)
View system supporting 14+ template engines
Content negotiation
Executable for generating applications quickly
Docs & Community
Website and Documentation - [website repo]
GitHub Organization for Official Middleware & Modules
Github Discussions for discussion on the development and usage of Express
PROTIP Be sure to read the migration guide to v5
Quick Start
The quickest way to get started with express is to utilize the executable express(1) to generate an application as shown below:
Install the executable. The executable's major version will match Express's:
npm install -g express-generator@4
Create the app:
express /tmp/foo && cd /tmp/foo
Install dependencies:
npm install
Start the server:
npm start
View the website at: http://localhost:3000
Philosophy
The Express philosophy is to provide small, robust tooling for HTTP servers, making
it a great solution for single page applications, websites, hybrids, or public
HTTP APIs.
Express does not force you to use any specific ORM or template engine. With support for over
14 template engines via @ladjs/consolidate,
you can quickly craft your perfect framework.
Examples
To view the examples, clone the Express repository:
git clone https://github.com/expressjs/express.git --depth 1 && cd express
Then install the dependencies:
npm install
Then run whichever example you want:
node examples/content-negotiation
Contributing
The Express.js project welcomes all constructive contributions. Contributions take many forms,
from code for bug fixes and enhancements, to additions and fixes to documentation, additional
tests, triaging incoming pull requests and issues, and more!
See the Contributing Guide for more technical details on contributing.
This project has a Code of Conduct. By participating, you are expected to uphold this code.
Security Issues
If you discover a security vulnerability in Express, please see Security Policies and Procedures.
Running Tests
To run the test suite, first install the dependencies:
npm install
Then run npm test:
npm test
Current project team members
For information about the governance of the express.js project, see GOVERNANCE.md.
Yes — expressjs/express ships under the MIT license, which makes its source code freely readable (and, depending on license terms, forkable and reusable). Source: github.com/expressjs/express.
What else is in the Backend space?
expressjs/express is tracked by TopGit under the Backend category, alongside 4 GitHub-tagged topics. Trending and Topics pages list peer repositories of comparable stars and language.
What is expressjs/express?
expressjs/express (expressjs/express) is a JavaScript project on GitHub. From the project's own README: Fast, unopinionated, minimalist web framework for node.
What license does expressjs/express use?
expressjs/express is released under the MIT license. Always verify the LICENSE file directly on GitHub for the authoritative terms — license strings can be edited out of sync with a project's actual stance.
Where can I see expressjs/express in action?
The project maintains a homepage at https://expressjs.com. The README tab on this page also usually contains screenshots and a quickstart.
Where do I read more about expressjs/express?
This TopGit page is a snapshot — the READ ME tab shows the project's own README content (links stripped, images preserved). The GitHub repository at github.com/expressjs/express is the definitive source.
Why is expressjs/express categorized under Backend?
TopGit places expressjs/express in the Backend category based on its GitHub topics and description (tagged: "express", "javascript", "nodejs"). Categories are assigned from real repository metadata, not editorial guesswork.
