AmsoniaAsk about Next
Amsonia Next / By Willuny Labs

Your SaaS. One Next.js codebase.

A practical starting point for your SaaS.

Authentication, Stripe billing, PostgreSQL, and admin in one full-stack TypeScript application. Start with Amsonia Next and spend your engineering time on the product your customers need.

Explore Amsonia Next Ask about availability
Amsonia NextPrivate source
01 / NEXT.JS SAAS STARTEROne application. Your product.Authentication · Stripe · PostgreSQL · Admin02 / GO + NEXT.JSAmsonia PlatformA separate foundation for multi-tenant B2B SaaS
Additional open sourceView engineering work on GitHub ↗
FAMILY / 00

Build the features that make it yours.

Keep account, payment, and admin work together in one Next.js application. Customize the source for your product and choose where you deploy it.

Built by Willuny Labs.

Amsonia Next is privately maintained. Talk to us about source access, licensing, and support before adopting it.

Products / Start with Next

A focused foundation for your SaaS.

Amsonia Next is our main product focus. For teams that already need a Go service and multi-tenant operations, Amsonia Platform remains a separate option.

NEXT / PRIVATE SOURCE

Amsonia Next

A Next.js 16 SaaS starter for founders who want one full-stack TypeScript codebase.

  • Authentication and account lifecycle
  • Stripe checkout, subscriptions, and webhooks
  • PostgreSQL with Drizzle migrations
  • Admin, audit, and localized product routes
Explore Amsonia Next →Contact about Next ↗
PLATFORM / GO + NEXT.JS

Amsonia Platform

A separate Go + Next.js SaaS starter kit for multi-tenant B2B products.

  • Go API and Next.js product surface
  • Tenant and workspace boundaries
  • Roles, permissions, and operations
  • Stripe-oriented commerce and billing
Evaluate Platform →Go SaaS guide →
Explore / Find your fit

See what your product needs.

Explore the Next.js starter, compare the two products, and review source availability.

COMPARE / 01

Platform vs Next

Compare runtime, tenancy, license, billing providers, and the intended team.

NEXT / 02

Inside Amsonia Next

Review authentication, Stripe billing, admin, and the current application scope.

ACCESS / 03

Source availability

Find the contact path for Next and the commercial package catalog for Platform.

OSS / 04

Inspect the source

Review the public engineering repositories maintained by Willuny Labs.

Amsonia Next

Build your next SaaS with Next.

Tell Willuny Labs what you are building. Confirm source availability, license rights, and support for Amsonia Next.

Ask about Amsonia Next