This is Node js( v12.0.1) web application which uses all the command line arguments and getting starter packages of npm modules such as yargs,chalk and nodemon much more . For all the npm packages which are being used in this project :https://www.npmjs.com/ command for installing npm packages through the terminal of the editor :$ npm install package Usage of the npm module in the app.js file :var package = require('package')(module);