Facebook built the React JavaScript library so its engineering team could build interfaces for iOS, Android, and web with the same code. Now it’s giving that development super power to everyone ...

Now that Facebook has open-sourced the React Native code base, it’s free and available to all, so we can expect both its code and its ideas to seep into other tools and development platforms.

Another benefit of React Native is that it automates code refreshes, accelerating the release of new product features. Instead of recompiling, your app reloads instantly.