Supastarter

Launch a full-featured SaaS fast with auth, payments, AI, and admin built-in.

Overview

Supastarter gives you a production-ready SaaS foundation with authentication, subscriptions, admin dashboard, payments, emails, and AI-ready tools, so you can focus on building and shipping.

Key features

Multi-tenancy & organizations
Pre-configured authentication (Better Auth)
Multi-provider payment integrations (Stripe, Lemon Squeezy, Polar, Creem, Dodo Payments)
AI coding agent optimization (Cursor, Claude Code)
Internationalization (i18n) support
Database ORM support (Prisma, Drizzle)
Hono.js API layer
Built-in admin panel

Pros

Supports multiple frameworks (Next.js, Nuxt, TanStack Start)
Comprehensive feature set including billing, auth, and mailing
Optimized for AI coding assistants with context files
One-time purchase with lifetime updates

Cons

Commercial license with no free tier
Can be complex for absolute beginners due to monorepo architecture

Use this if

You want to launch a SaaS quickly with pre-built authentication, multi-tenancy, and billing without building them from scratch.

Skip this if

You are looking for a completely free, open-source boilerplate or do not use Next.js, Nuxt, or TanStack Start.

Best for

SaaS foundersIndie hackersProduct development agenciesNext.js and Nuxt developers

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