An explanation of the problems that Create-React-App addresses, and how it attempts to solve them.
A bundler for javascript and friends. Packs many modules into a few bundled assets. Code Splitting allows for loading parts of the application on demand. Through "loaders", modules can be CommonJs, AMD, ES6 modules, CSS, Images, JSON, Coffeescript, LESS, ... and your custom stuff.
Starter/boilerplate for React (or Preact) + TypeScript + Webpack + Styled Components
Update your package.json file from the command line. Because why not