Stop rebuilding the same auth, billing and admin panel for every project. Achromatic is a production-ready Next.js 16 starter kit. What you get: • Better Auth with logins and profiles • Stripe billing with usage-based credits system • Multi-tenancy (orgs, teams, invitations) • Admin panel with users, orgs and subscription management • AI chatbot UI with Vercel AI SDK • Marketing, blog & docs pages • Tailwind CSS + Shadcn UI + Drizzle/Prisma Save 220+ hours of boilerplate. Ship in days.