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PropelKit

SaaS

PropelKit is a paid Next.js SaaS starter with an AI project-manager workflow, Stripe billing, Supabase auth and a Lovable-based UI step.

propelkit.dev
PropelKit homepage screenshot

About PropelKit

PropelKit is a boilerplate for building and launching a SaaS product, sold as a one-time purchase with instant GitHub access. A command-line tool, npx create-propelkit, sets up a Next.js 15 and TypeScript project wired to Stripe and Supabase, so payments, authentication and infrastructure do not have to be built from scratch.

An AI product manager interviews you on target users, the core value and the business model, infers features and drafts a phased roadmap that you approve before any code is generated. It can then write a prompt for Lovable to design the interface, and a wire-ui command connects the result to the Next.js backend, translating React Router to the App Router and Lovable auth to Supabase.

The backend covers Stripe checkout, subscriptions and webhooks, PDF invoicing, multi-currency support, organizations with role-based access, OAuth and magic-link sign-in and a usage-based credit system, with row-level security on tables. The site compares it with ShipFast, IndieKit and MakerKit.

Key features

  • CLI scaffolds a Next.js 15 and TypeScript project
  • AI product manager builds a phased roadmap
  • Lovable prompt generation and UI wiring command
  • Stripe checkout, subscriptions and webhooks
  • Automated PDF invoicing and multi-currency support
  • Supabase auth with OAuth and magic links
  • Organizations with role-based access

Good fit for

  • Solo developers launching a SaaS MVP quickly
  • Teams that want billing and auth prebuilt
Tags
saas-boilerplate
nextjs
stripe
supabase
starter-kit
typescript
ai-assisted

PropelKit: questions and answers

What is PropelKit used for?
PropelKit is a paid Next.js SaaS starter with an AI project-manager workflow, Stripe billing, Supabase auth and a Lovable-based UI step. It is a good fit for solo developers launching a SaaS MVP quickly, and teams that want billing and auth prebuilt.
How much does PropelKit cost?
Paid plans for PropelKit start at $69 as a one-time payment, and there is no free plan.
Is PropelKit open source?
No. PropelKit is proprietary (closed-source) software. In the Developer Tools category, open-source options include Visual Studio Code, code-server and Tabby.
Can I self-host PropelKit?
Yes. Although PropelKit is closed source, it can be self-hosted on your own servers.
What are some alternatives to PropelKit?
Other SaaS products in the Developer Tools category include Boilerships, AgentFast and ChatRAG.

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