Achromatic

Achromatic is a comprehensive SaaS starter kit built with Next.js 15 and React 19, designed to significantly reduce development time for modern web applications. It includes a wide array of pre-built components and features such as authentication, billing, email templates, organization and member management, and API keys. Key features include:

• Modern Tech Stack: Built with Next.js 15, React 19, TypeScript, and Shadcn/ui.
• Comprehensive Features: Includes authentication, billing (Stripe), email templates, organizations, members, invites, onboarding, profile, dashboard, API keys, and webhooks.
• Pre-built Components: Offers a variety of UI components for common use cases, reducing boilerplate code.
• Server Actions: Utilizes Next.js Server Actions with next-safe-action for secure server-side mutations.
• Caching Strategy: Implements a robust caching strategy using Next's unstable_cache and React's cache for optimized performance.
• Flexible Licensing: Allows unlimited use for personal and commercial projects with no restrictions on developers or projects.

Use cases include:

• Rapid prototyping of SaaS applications.
• Building internal tools and dashboards.
• Creating client projects with a solid foundation.
• Developing complex web applications with a consistent architecture.

Achromatic aims to provide a solid foundation for developers, allowing them to focus on their business logic rather than spending time on common features.