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| Express.js | |
|---|---|
 | |
| Original author(s) | TJ Holowaychuk |
| Developer(s) | OpenJS Foundation and others |
| Initial release | 16 November 2010 |
| Stable release | 5.1.0
/ March 31, 2025; 2 months ago[1]  |
| Repository | |
| Written in | JavaScript |
| Platform | Node.js |
| Type | Web framework |
| License | MIT License |
| Website | expressjs |
Express.js, or simply Express, is a back end web application framework for building RESTful APIs with Node.js, released as free and open-source software under the MIT License. It is designed for building web applications and APIs.[2] It has been called the de facto standard server framework for Node.js.[3]
The original author, TJ Holowaychuk, described it as a Sinatra-inspired server,[4] meaning that it is relatively minimal with many features available as plugins. Express is the back-end component of popular development stacks like the MEAN, MERN or MEVN stack, together with the MongoDB database software and a JavaScript front-end framework or library.[5]
- ^ "Release 5.1.0". 31 March 2025. Retrieved 10 April 2025.
- ^ "Express.js home page".
- ^ Case study: How & why to build a consumer app with Node.js. VentureBeat.com.
- ^ Holowaychuck, TJ. "Express 1.0beta". Archived from the original on 6 July 2015.
- ^ "Mean.io: The Friendly & Fun Javascript Fullstack for your next web application". Archived from the original on 13 June 2019. Retrieved 15 July 2019.
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