Divjoy is a React and NodeJS boilerplate with built in functionality for common UI components, subscriptions, Tailwind CSS, and much more.

Gravity is one of the top NodeJS SaaS boilerplates with extensive features and a large community of developers who have used it for their projects.

Modern MERN uses MongoDB, ExpressJS, React, TypeScript, and more in it's boilerplate codebase to give you a quick way to develop any SaaS app.