React JS

React JS is an open sorce JavaScript library for data rendered as HTML.It is maintained by Facebook,Instagram and a community of individual developers and a community of individual developers and corporations. According to javascript analytics service libscore, React is currently being used on the websites of Netflix, Imgur, Bleacher Report, Feedly, Airbnb, SeatGeek, HelloSign, Walmart, and others.

As of March 2016, React and React Native are Facebook’s top two open-source projects by number of stars on GitHub, and React is the 5th most starred project of all time on GitHub.