# Amsonia Amsonia is the SaaS product family published by Willuny Labs LLC. Our main product focus is Amsonia Next: a private Next.js SaaS starter with authentication, Stripe billing, PostgreSQL, and admin in one TypeScript application. The current Next application is single-tenant. Contact Willuny Labs about source availability, pricing, licensing, and support. It is not an open-source distribution. Amsonia Platform is a separate commercial Go + Next.js foundation for multi-tenant SaaS. - Product home: https://amsonia.dev/ - Products: https://amsonia.dev/products/ - Amsonia Next: https://amsonia.dev/next/ - Amsonia Platform: https://amsonia.dev/platform/ - Documentation: https://amsonia.dev/docs/ - Platform architecture: https://amsonia.dev/architecture/ - Platform security: https://amsonia.dev/security/ - Public engineering: https://amsonia.dev/open-source/ - Company: https://willuny.com/company - Contact: https://willuny.com/shop/contact - Willuny Labs on GitHub: https://github.com/willunylabs - Platform commercial packages: https://willuny.com/shop/products Canonical origin: https://amsonia.dev This file is a convenience index for developer tools. Canonical HTML pages and sitemap.xml remain the authoritative public sources.