Is React fully open source?

React (also known as React. js or ReactJS) is a free and open-source front-end JavaScript library for building user interfaces based on UI components.

React (also known as React. js or ReactJS) is a free and open-source front-end JavaScript library for building user interfaces based on UI components.

In short words: React Native is free to use and you will never have to pay for it.

React Native is a mobile app development platform developed by Facebook for its internal app development. It was open sourced in March 2015 for iOS mobile app development.17 Eyl 2020