Facebook just open-sourced its React Native framework for building mobile apps. React Native promises to let developers write JavaScript while still delivering a real native user interface. That ...

For example, earlier this year, Facebook built a native Ads Manager app for iOS and Android in half the time expected thanks to React. Instead of 18 months, Facebook wrote the iOS app in 5 months ...

React Native allows developers to build cross-platform apps for iOS, Android, and the Web from a single JavaScript codebase.