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TenantHawk - Open Source MIT Multi-tenant SaaS Template

TenantHawk - Multi-tenant SaaS without unnecessary complexity

Build multi-tenant SaaS faster, with a solid architecture and without reinventing authentication, routing and tenant management every time.

MIT open source template created by Alessio Quagliara

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The Problem

Building a real multi-tenant SaaS is not trivial. Complexity grows quickly across tenant isolation, roles, routing and integrations.

  • tenant isolation
  • authentication and roles
  • domain or header routing
  • service integration
  • scalability and maintenance

The Solution

TenantHawk is a foundation designed to solve these issues with real multi-tenancy, simple integrations and an evolvable architecture.

ArchitectureUse Cases

How It Works

  • tenant handling via header or domain
  • FastAPI backend
  • server-side rendering with HTMX
  • dynamic routing with Traefik
  • APIs ready for future extensions

Who It Is For

  • developers launching SaaS products
  • agencies managing multiple clients
  • companies with internal multi-tenant systems
  • products with operational dashboards

Call to action

If you are building a SaaS and want to start from a solid base:

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FeaturesArchitectureDocs