MongoDB is free and an open-source NoSQL database program that is used to create a scalable base and with flexible components.
AngularJS is referred to as a client-side framework and specially used in front-end web development with great efficiency and potentially develop high-end web applications.
These software components can be used effectively to design front end and back end development. It can improve the functionality of your website or mobile app. The simpler, yet solid framework of MEAN stack offers the time-tested mechanism for the transformation of data and information.