Node.Js/MongoDb (Back-End Engineering) 
Full Stack Web Development Mern Stack 
Mobile App Development 
Full Stack Mobile Development 
Full Stack Web Development Lamp Stack 
NPM
NPM.
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Npm is a package manager for the JavaScript programming language maintained by npm, Inc. npm is the default package manager for the JavaScript runtime environment Node.js. It consists of a command line client, also called npm, and an online database of public and paid-for private packages, called the npm registry.