Saas.js is a collection of utilities and full-stack/unstyled React components for building modern SaaS products.

Documentation

• better-auth-query-query TanStack Query Better Auth client
• drizzle-crud generate CRUD operations from drizzle schemas.
• iconx cli and mcp server to install iconify icons as React components
• Slingshot full-stack file upload component with support for drag-and-drop, progress bars, and more.

Starter kit for teams who want to move fast without cutting corners. Professional UI, production-ready code, and all the foundations — so you can focus on what makes your product unique.

• TanStack Start Pro
• Next.js Pro