LaunchFast

LaunchFast is a starter kit designed for developers building SaaS products, providing pre-integrated authentication, billing, email, storage, documentation, and analytics modules. It supports multiple frameworks like Astro, Next.js, and SvelteKit, and allows swapping providers such as Stripe, Postgres, and Resend without rewriting the app. This enables developers to ship production-ready SaaS applications quickly without rebuilding common infrastructure from scratch.

Who is it for?

Developers building SaaS products who want to avoid rebuilding common infrastructure

Problem

Developers waste weeks wiring up login, billing, email, and deployment infrastructure for new SaaS projects, often facing provider lock-in and repeated integration work.

Solution

LaunchFast offers a cloneable repo with pre-integrated modules for authentication, payments, email, storage, and analytics that can be customized and swapped easily, enabling developers to launch SaaS products quickly and flexibly.

What makes it unique

• No provider lock-in with easy swapping of auth, payments, and database providers
• Runs on multiple deployment platforms including Node, Bun, Cloudflare Workers, and Vercel
• Production-ready modules shipped wired and customizable
• Lifetime updates included with one-time purchase

• Authentication

  Email/password, magic links, OAuth, password reset, and protected routes with multiple providers

  01
• Bring Your Own Database

  Support for PostgreSQL, MongoDB, Redis, SQLite, and Firestore with interchangeable data layers

  02
• Billing & Payments

  Subscription and one-time payments with Stripe, Lemon Squeezy, Polar, and Creem

  03
• File & Document Storage

  File uploads with pre-signed URLs supporting Amazon S3, Cloudflare R2, Firebase Storage, and Supabase Storage

  04
• Transactional Email

  Send password resets, verification, and magic-link emails via Resend, Postmark, SendGrid, Mailgun, and others

  05
• Analytics

  Integrate PostHog, Pirsch, Google Analytics, and Wide Angle Analytics for user behavior tracking

  06
• Dynamic Blog Pages

  SEO-friendly blog pages with meta tags, sitemaps, and table of contents

  07
• Responsive And Dynamic Docs

  Searchable documentation with auto-generated TOCs and SEO-friendly routing

  08

Business model

DIGITAL-PRODUCT

Audience

DEVELOPERS

Platforms

web

Pricing model

one-time

Value proposition

LaunchFast provides a production-ready SaaS starter kit with pre-wired auth, billing, email, storage, and analytics that lets developers ship faster without rebuilding infrastructure.

Analytics

SSimple Analytics

Mentioned on site

StripeGoogle AnalyticsSSendGridResendPPostmarkPPolar

Metadata

OOpen Graph

Other

VercelAstro7.2.0CCrispPostHogLemon SqueezyCCreem

UI framework

Tailwind CSS4.3.3Radix UI

UI library

shadcn/ui