VelocityKit is a production-ready Next.js SaaS starter with AI-ready architecture built in. It includes complete auth flows (sign up, sign in, password reset), Stripe billing for one-time and subscription payments, structured AI context files, 20+ prepared prompts for common use cases, and optional AI-driven content generation during onboarding to help you get up and running fast. Built with Supabase, Stripe, PostHog, Resend, and a clean, mobile-first shadcn/ui + Tailwind UI template.
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Maker
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Hey Product Hunt 👋
I’m Craig, the maker of VelocityKit.
VelocityKit came out of repeatedly building real SaaS applications and spending far too much time wiring together the same foundations every time — auth flows, billing models, usage tracking, onboarding, analytics, and all the edge cases that only show up once users are involved.
What I wanted was a foundation where that work was already done correctly, and where AI wasn’t something you had to awkwardly bolt on later. VelocityKit pulls those pieces together into a production-ready Next.js SaaS starter, with AI-ready workflows available when they actually make sense to use.
I’d love feedback from folks shipping SaaS today — what feels solid, what feels unnecessary, or what you wish a starter like this handled for you.