Achromatic - Next.js 16 SaaS Starter Kits
Achromatic is a comprehensive SaaS starter kit built on Next.js 16 that enables developers to ship production-ready applications 10x faster. This enterprise-grade solution provides everything needed to build modern SaaS applications with minimal setup time.
Key Features
Core Infrastructure:
- Authentication System: Complete auth implementation with email/password, social sign-in (Google, Microsoft), multi-factor authentication (MFA/2FA), session management, and account linking
- Stripe Billing & Payments: Full billing portal with subscription management, transaction history, invoices, and paywall functionality
- Multi-Tenancy: Built-in organization support with member management, invitations, role-based access control (RBAC), and ownership transfer
- Credits System: Usage-based billing with credit balances and top-ups for AI applications
Technical Stack:
- Next.js 16 with React Server Components
- TypeScript with strict typing and ESLint rules
- Database Options: Prisma ORM or Drizzle ORM starter kits
- UI Framework: Shadcn UI with Tailwind CSS and Radix UI primitives
- AI Integration: Built-in AI SDK for chatbot UI, streaming responses, and completions
- File Storage: S3/R2 presigned URLs with drag & drop uploads
Complete Application Suite:
- Marketing Pages: Landing page, pricing, blog (Content Collections), documentation (Fumadocs), changelog
- Admin Panel: User management, organization oversight, subscription monitoring, credit adjustment
- Email Templates: 10+ production-ready templates for verification, password reset, organization invitations, and billing notifications
- Legal Pages: Privacy policy, terms of service, cookie consent, and compliance documentation
Target Users
Solopreneurs & Founders: Validate ideas quickly and scale on a solid foundation Product Engineers: Batteries-included setup with full code ownership and no vendor lock-in Agencies: Reliable foundation for multiple client projects with consistent architecture Enterprise Teams: Strict compliance, RBAC, and admin panel out of the box
Unique Selling Points
- AI-Ready Architecture: Built-in chatbot UI, streaming responses, and credits system for monetizing AI features
- Production-Grade: 50+ components covering authentication flows, billing interfaces, organization management, and marketing pages
- Mobile-First Design: Fully responsive with smooth light/dark theme transitions
- SEO Optimized: Meta tags, sitemaps, structured data, and social images included
- One-Time Purchase: Unlimited projects and developers with lifetime access and updates
- Trusted by 750+ Developers: Proven foundation used by founders and development teams worldwide
The starter kit saves approximately 220+ hours of development time by providing battle-tested patterns for common SaaS requirements while maintaining flexibility for customization.
