nextjs-ecommerce-template

Free Next.js eCommerce Template - comes with all the essential sections, integrations, pages, and everything you need to manage powerful ecommerce store with power of Next.js and Sanity. Maintained by NextMerce on GitHub, where it has earned 298 stars from the community.

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