aSaaSin

aSaaSin is a production-ready SaaS starter for developers and indie makers who want to ship products fast. Built with Next.js 15, it includes Supabase auth, Polar billing, AI-powered branding preview, a CMS, and theme customization - so you can focus on your core product instead of rebuilding boilerplate for every project. Key features: Authentication & user management (Supabase) Billing & payments (Polar) AI branding preview & theming CMS for content editing (TinaCMS) Production-ready from day one Perfect for side projects, client work, and MVPs that need to launch quickly without sacrificing quality.