saasyland.com

Saasy Land is an open-source, opinionated, clean, elegant Next.js starter kit for production-grade SaaS. Engineered for scale with Bun, Vercel, Elysia, Better Auth, Neon Postgres + Drizzle, and Shadcn UI. The robust, high-performance foundation for serious builders to ship modern, scalable full-stack applications without the boilerplate overhead. Maintained by pjborowiecki on GitHub, where it has earned 430 stars from the community.

It's actively developed around better-auth, bun, bun-runtime, and is a solid reference for anyone building with these tools.