We recently worked to bring greater parity to react-native-windows by building cross-platform layout library Facebook.Yoga for UWP and WPF as the React Native framework for iOS and Android switched to use Yoga.
During the Microsoft Ventures hackathon in May 2015 it became obvious that one of the startups required a standalone Excel-like spreadsheet component for the web. This post describes the resulting React component, how it was built, and how it can be used today.