Snowpack, webpack and Parcel bundle your JS but are hard to custom configure. Rollup.js is faster and more configurable. Learn how to set it up!
Learn how to use Stormpath to build a React.js application with user authentication.
Ravi Kiran introduces you to jspm and SystemJS that let you load any module format (ES6, AMD, CommonJS and globals) directly from any registry.
Are you thinking of trying React but aren't sure where to start? Then Craig Bilner's yuletide round up of React and the surrounding technologies is for you.