nextacular

An open-source starter kit that will help you build full-stack multi-tenant SaaS platforms efficiently and help you focus on developing your core SaaS features. Built on top of popular and modern technologies such as Next JS, Tailwind, Prisma, and Stripe. Maintained by nextacular on GitHub, where it has earned 1,383 stars from the community.

It's actively developed around saas, boilerplate-template, starter-kit, and is a solid reference for anyone building with these tools.