r9stack
r9stack

Full-stack SaaS
in minutes, not months

r9stack is a CLI tool that scaffolds production-ready SaaS applications with TanStack Start, Convex, WorkOS, and Tailwind CSS.

Everything you need to ship fast

r9stack combines the best tools in the ecosystem into a cohesive, production-ready stack.

TanStack Start
Modern React 19 framework with file-based routing, SSR, and server functions built-in.
Convex Backend
Real-time backend with automatic sync, type-safe queries, and zero infrastructure setup.
WorkOS Auth
Enterprise-ready authentication with SSO, MFA, and user management out of the box.
Tailwind + shadcn/ui
Beautiful, accessible components styled with Tailwind CSS v4 for rapid UI development.