Open SaaS is a free and open-source SaaS app starter built on React and Node.js, designed to provide developers with a robust foundation for building SaaS applications quickly and efficiently. It offers a comprehensive set of features out-of-the-box, focusing on open-source services where possible.
Key features include:
- Full-Stack Framework: Built on Wasp, a full-stack React, NodeJS, and Prisma framework, providing superpowers for rapid development.
- Authentication: Full-stack authentication with email verification and social auth.
- Type Safety: End-to-end type safety, inferring types on the front-end from backend functions.
- Background Jobs: Support for cron jobs and queues via simple function definitions.
- One-Command Deploy: Easy deployment to Railway or Fly.io via the CLI, with manual deployment options available.
- AI-Ready: Full set of Cursor rules & llms-full.txt for ai-assisted coding.
- Payments: Stripe or Lemon Squeezy integration for handling products and payments.
- UI Components: ShadCN UI for components and styling, including an admin dashboard.
- Analytics: Plausible or Google Analytics integration for tracking application usage.
- Email Sending: SendGrid, MailGun, or SMTP integration for sending emails.
- File Uploads: AWS S3 integration for handling file uploads.
- Testing: End-to-end tests with Playwright.
Open SaaS is ideal for developers looking to:
- Quickly prototype and launch SaaS applications.
- Leverage modern web development technologies like React, Node.js, and Prisma.
- Utilize a full-stack framework that handles common SaaS features like authentication and payments.
- Build type-safe applications with minimal configuration.
- Deploy applications easily to various hosting platforms.
By using Wasp as the full-stack framework, Open SaaS leverages its features to accelerate SaaS development, providing a diverse and helpful community for support.





