Hacking with React - Hands-on introduction to making a web app using React.
UseGravity.App - Build a Node.js & React app at warp speed with a SaaS boilerplate
Programming React Native - Free eBook on cross platform mobile app development
Serverless.page - Serverless SaaS is aiming to be the perfect starting point for your next React app to build full-stack applications. Save time and skip implementing authentication, payments, teams, etc.
Hooks.guide - Collection of React hooks curated by the community
Nextless.js - Nextless JS is a React SaaS Starter kit template for building your full-stack SaaS application in days instead of months. It includes authentication, stripe integration, landing page and dashboard. Save development time and focus on your business.