What is LaunchFast?

LaunchFast is a SaaS starter kit that gives developers a ready-made foundation for authentication, payments, email, storage, analytics, SEO, and deployment. It supports Astro, Next.js, and SvelteKit, while letting you choose or change providers such as Stripe, Lemon Squeezy, Polar, PostgreSQL, MongoDB, Redis, and SQLite.

Who should use LaunchFast?

  • You are building a SaaS product with Astro, Next.js, or SvelteKit
  • You want authentication and billing wired up before starting product development
  • You need common SaaS infrastructure such as email, storage, analytics, and SEO
  • You want flexibility to choose your payment and database providers
  • You want a one-time purchase instead of a recurring boilerplate subscription

Key Features of LaunchFast

  • Authentication with email, OAuth, magic links, and protected routes
  • Stripe, Lemon Squeezy, Polar, and Creem payment integrations
  • PostgreSQL, MongoDB, Redis, and SQLite support
  • Transactional email integrations
  • File uploads and storage integrations
  • PostHog and Google Analytics support
  • SEO-ready blog with Markdown and MDX
  • Deployment configurations for Vercel and Cloudflare
  • Astro, Next.js, and SvelteKit starter kits
  • HTML-first reusable UI components

Integrations Supported by LaunchFast

StripeLemon SqueezyPolarCreemPostgreSQLMongoDBRedisSQLiteResendPostmarkAmazon S3Cloudflare R2SupabasePostHogGoogle AnalyticsVercelCloudflare WorkersCloudflare Pages

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