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React.js + Node.js + Express + MongoDB


The MERN stack is a popular choice for building web applications. It is a full-stack JavaScript solution that uses MongoDB, Express, React, and Node.js. MongoDB is a NoSQL database that stores data in JSON-like documents. Express is a server-side web framework that runs on Node.js. React is a front-end library for building user interfaces. Node.js is a JavaScript runtime environment that allows you to run JavaScript code on the server.

MERN is an acronym for MongoDB, Express, React, and Node.js, a collection of JavaScript-based technologies used to develop web applications. 


React is the library for web and native user interfaces. Build user interfaces out of individual pieces called components written in JavaScript.


Bootstrap is a front-end framework that includes HTML, CSS, and JS-based design templates for typography, forms, buttons, navigation, and other interface components. It is one of the most popular front-end frameworks and is used by many developers to create responsive websites and web applications.


Express is a node js web application framework that provides broad features for building web and mobile applications. It is used to build a single page, multipage, and hybrid web application. It's a layer built on the top of the Node js that helps manage servers and routes.


Mongoose is a Node. js-based Object Data Modeling (ODM) library for MongoDB. It is akin to an Object Relational Mapper (ORM) such as SQL Alchemy for traditional SQL databases. The problem that Mongoose aims to solve is allowing developers to enforce a specific schema at the application layer.


Node.js is an open-source, cross-platform JavaScript runtime environment that executes JavaScript code outside of a browser. Node.js lets developers use JavaScript to create scalable network applications.


MongoDB is a cross-platform, open-source database management system (DBMS) that uses JSON-like documents and optional schemas to store and process data. It is a NoSQL database product, which means it doesn't require a relational database management system (RDBMS). MongoDB is built on a scale-out architecture that makes it easy for developers to store structured or unstructured data. This architecture has become popular with developers for developing scalable applications with changing data schemas. 


 Here are some examples of companies that use the MERN stack:


Airbnb, Facebook, Instagram, Netflix, and Uber.

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