mern-x

MERN-X is a comprehensive full-stack framework designed to streamline the development of web applications using the popular MERN stack: MongoDB, Express.js, React, and Node.js. Built with simplicity and scalability in mind, MERN-X empowers developers to create robust and efficient applications from end to end. Maintained by rupomsoft on GitHub, where it has earned 122 stars from the community.

It's actively developed around express, mern, mern-boilerplate, and is a solid reference for anyone building with these tools.