Express.js is an open source framework which provides a robust set of features for developing web and mobile applications. It was developed by Node.js foundation and has a minimal framework. Unlike other frameworks, it is flexible and pluggable. Express.js can help in create faster and smarter apps. Express.js made coding in Node.js very simple giving programmers some extra features to extend their server-side coding. Its simplicity, flexibility, scalability and some other features make it popular among the developers. Considering this, we bring you the course entirely focusing on Express.js. This course explains NodeJS and Express along with its installation. Furthermore, different tools, commands and creating both a NodeJS server and an Express server are also explained.