Commercial full-stack SaaS boilerplate

Gravity Alternative: build SaaS with source-owned modules.

Compare Gravity with StackFoundry when you want SaaS building blocks without adopting a large prebuilt product skeleton.

Free to useMIT licensedNo paid template license feeInstallable source modules
Best fit for Gravity

Teams that want a large prebuilt product skeleton with screens, integrations, and conventional SaaS workflows.

What Gravity is known for

Full-stack SaaS boilerplate positioning

Auth, billing, team workflows, and integration surfaces

A paid license or renewal model

A broad product skeleton approach

Where StackFoundry differs

Smaller modules instead of one large skeleton

Install paths that can target an existing app

Free and MIT-licensed registry source

Explicit App Router, env, migration, and responsive verification guidance

When to choose StackFoundry instead

You want production SaaS systems, but your team should decide the final app shell and product flow.

Gravity SaaS alternativeSaaS boilerplate alternativesource modules

Source Registry

Dry-run a complete SaaS recipe before adopting any app shape.

Start with API SaaS, inspect the exact source files, then decide whether the modules belong in your app.

pnpm stackfoundry add recipe api-saas-starter --target ./my-app --dry-run