The well-known MEAN stack is composed of four main technologies: Express.js (E), MongoDB (M), Angular (A), and Node.js (N). Angular is a front-end JavaScript framework, Node.js is a server-side JavaScript runtime, and MongoDB is a NoSQL database. A web application framework for Node.js is called Express.js. They offer a comprehensive method for creating dynamic web applications. Right now, honing your MEAN stack development skills can help you remain in the IT sector for a long time. It will also help you do challenging tasks more easily.