# supastarter

> supastarter is a production-ready SaaS starter kit for Next.js, Nuxt, and TanStack Start, with authentication, payments, multi-tenancy, internationalization, email, storage, analytics, and an admin dashboard.

supastarter is sold as customizable source code with a one-time lifetime license. Current tiers are Solo ($349, one developer), Startup ($799, up to five developers), and Agency ($1,499, up to ten developers). Documentation also covers the SvelteKit version.

Use the framework-specific documentation for implementation details and the comparison pages for product evaluations. Documentation links ending in `.md` return plain Markdown without site navigation or other presentation markup.

## Product

- [Homepage](https://supastarter.dev): Product overview, included features, testimonials, and pricing.
- [Next.js starter kit](https://supastarter.dev/nextjs): Product details for the Next.js version.
- [Nuxt starter kit](https://supastarter.dev/nuxt): Product details for the Nuxt version.
- [TanStack Start starter kit](https://supastarter.dev/tanstack-start): Product details for the TanStack Start version.
- [Pricing](https://supastarter.dev/#pricing): Current Solo, Startup, and Agency lifetime license tiers.
- [Live demo](https://demo.supastarter.dev): Interactive demo of the application and dashboard.
- [FAQ](https://supastarter.dev/faq): Answers about features, licensing, updates, support, and purchasing.

## Documentation

- [Documentation home](https://supastarter.dev/docs): Searchable documentation for every framework version.
- [Next.js introduction](https://supastarter.dev/docs/nextjs.md): Next.js architecture, features, and documentation overview in Markdown.
- [Next.js setup](https://supastarter.dev/docs/nextjs/setup.md): Install and configure the Next.js starter.
- [Next.js authentication](https://supastarter.dev/docs/nextjs/authentication/overview.md): Authentication concepts, sessions, providers, and access control.
- [Next.js payments](https://supastarter.dev/docs/nextjs/payments/overview.md): Plans, subscriptions, purchases, and payment providers.
- [Next.js organizations](https://supastarter.dev/docs/nextjs/organizations/overview.md): Multi-tenant organizations, memberships, and permissions.
- [Next.js deployment](https://supastarter.dev/docs/nextjs/deployment/overview.md): Supported deployment targets and production setup.
- [Nuxt introduction](https://supastarter.dev/docs/nuxt.md): Nuxt architecture, features, and documentation overview in Markdown.
- [Nuxt setup](https://supastarter.dev/docs/nuxt/setup.md): Install and configure the Nuxt starter.
- [Nuxt authentication](https://supastarter.dev/docs/nuxt/authentication/overview.md): Authentication concepts, providers, and access control.
- [Nuxt payments](https://supastarter.dev/docs/nuxt/payments/overview.md): Plans, subscriptions, purchases, and payment providers.
- [Nuxt organizations](https://supastarter.dev/docs/nuxt/organizations/overview.md): Multi-tenant organizations, memberships, and permissions.
- [Nuxt deployment](https://supastarter.dev/docs/nuxt/deployment/overview.md): Supported deployment targets and production setup.
- [TanStack Start introduction](https://supastarter.dev/docs/tanstack-start.md): TanStack Start architecture, features, and documentation overview in Markdown.
- [TanStack Start setup](https://supastarter.dev/docs/tanstack-start/setup.md): Install and configure the TanStack Start starter.
- [TanStack Start authentication](https://supastarter.dev/docs/tanstack-start/authentication/overview.md): Authentication concepts, sessions, providers, and access control.
- [TanStack Start payments](https://supastarter.dev/docs/tanstack-start/payments/overview.md): Plans, subscriptions, purchases, and payment providers.
- [TanStack Start organizations](https://supastarter.dev/docs/tanstack-start/organizations/overview.md): Multi-tenant organizations, memberships, and permissions.
- [TanStack Start deployment](https://supastarter.dev/docs/tanstack-start/deployment/overview.md): Supported deployment targets and production setup.
- [SvelteKit introduction](https://supastarter.dev/docs/sveltekit.md): SvelteKit architecture, features, and documentation overview in Markdown.
- [SvelteKit setup](https://supastarter.dev/docs/sveltekit/setup.md): Install and configure the SvelteKit starter.

## Guides and comparisons

- [What is a SaaS boilerplate?](https://supastarter.dev/saas-boilerplate): Explanation of SaaS boilerplates, their components, and when to use one.
- [How to build a SaaS](https://supastarter.dev/how-to-build-a-saas): Step-by-step guide from product planning through launch.
- [Best SaaS boilerplates](https://supastarter.dev/best-saas-boilerplate-2026): Comparison of current SaaS starter kits.
- [supastarter vs ShipFast](https://supastarter.dev/supastarter-vs-shipfast): Feature, architecture, pricing, and use-case comparison.
- [supastarter vs Makerkit](https://supastarter.dev/supastarter-vs-makerkit): Feature, architecture, pricing, and use-case comparison.
- [AGENTS.md for SaaS projects](https://supastarter.dev/agents-md-for-saas): Guide to configuring AI coding agents for a SaaS codebase.
- [Best AI coding agents for SaaS](https://supastarter.dev/blog/best-ai-coding-agents-for-saas): Current comparison of editor, terminal, open-source, and cloud coding agents for production SaaS development.
- [Cursor SaaS boilerplate](https://supastarter.dev/cursor-boilerplate): Agent-friendly SaaS foundation and workflow for Cursor.
- [Claude Code SaaS boilerplate](https://supastarter.dev/claude-code-boilerplate): Agent-friendly SaaS foundation and workflow for Claude Code.
- [OpenAI Codex SaaS boilerplate](https://supastarter.dev/codex-boilerplate): Agent-friendly SaaS foundation and workflow for Codex.
- [GitHub Copilot SaaS boilerplate](https://supastarter.dev/github-copilot-boilerplate): Repository instructions and workflows for Copilot Agent Mode and cloud agents.
- [Cline SaaS boilerplate](https://supastarter.dev/cline-boilerplate): AGENTS.md, Cline rules, checkpoints, MCP, and model-choice guidance.
- [Google Antigravity SaaS boilerplate](https://supastarter.dev/google-antigravity-boilerplate): Rules, skills, multi-agent workflows, and Gemini CLI migration guidance.
- [Windsurf and Devin Desktop SaaS boilerplate](https://supastarter.dev/windsurf-boilerplate): Current local and cloud agent workflow for the product formerly named Windsurf.
- [Kiro SaaS boilerplate](https://supastarter.dev/kiro-boilerplate): Spec-driven SaaS requirements, design, tasks, steering, and AGENTS.md guidance.

## Optional

- [Blog](https://supastarter.dev/blog): Long-form product, architecture, and SaaS development articles.
- [Developer tips](https://supastarter.dev/dev-tips): Short technical notes and implementation patterns.
- [Changelog](https://supastarter.dev/changelog): Product updates and release history.
- [Customer showcase](https://supastarter.dev/showcase): Products built with supastarter.
- [SaaS tools](https://supastarter.dev/tools): Free tools and generators for SaaS builders.
- [SaaS idea validator](https://supastarter.dev/saas-idea-validator): Heuristic idea scoring, target-customer analysis, differentiation guidance, validation steps, and a tailored supastarter architecture plan.
- [Boilerplates and stacks](https://supastarter.dev/boilerplates-and-stacks): Curated framework, starter kit, and technology stack directory.