aSaaSin: Next.js 15, Supabase & AI SaaS Starter

aSaaSin is a Next.js 15 SaaS boilerplate designed for solo founders who want to ship fast. It features a modern stack including the App Router‚ React 19‚ Supabase for authentication and database‚ and Polar for easy subscription payments. Unlike other templates‚ it includes a unique AI Branding Generator to handle your design identity instantly during onboarding. With TinaCMS for marketing content and shadcn/ui for components‚ you get a production-ready foundation without the bloat. Stop fighting with config files and start building your product.

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