LaunchFast
Production-ready SaaS starter kits for Astro, Next.js and SvelteKit
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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.
Overview
LaunchFast is built for developers who want to skip the repeated setup work involved in starting a SaaS product. Each starter includes authentication, billing, email, file uploads, analytics, documentation, and deployment configurations. A useful part of the kit is its provider flexibility. You can use Stripe, Lemon Squeezy, Polar, or Creem for payments, choose between several database options, and use different deployment and email providers without rebuilding the application from scratch. It is available for Astro, Next.js, and SvelteKit.
Who should and shouldn't use it
- 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
- You want a completely blank project with no predefined SaaS architecture
- You are not using Astro, Next.js, or SvelteKit
- You only need a landing page template
- You want a hosted SaaS platform rather than source code to build on
Key Features
- 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
Frequently Asked Questions
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