Open Source SaaS Starter

Build your SaaS faster, not from scratch.

From idea to production in hours, not months. Authentication, multi-tenancy, themes, i18n, and a polished dashboard — all wired up and ready to ship.

✓ Authentication & Roles ✓ Multi-Tenant Architecture ✓ Theme System ✓ i18n (EN/PL/CZ)
Included

What You Get Out of the Box

These features ship with BizFlowNH. No boilerplate to write, no integrations to glue together. Just clone, configure, and build your product.

Included

Authentication & Authorization: Ready from Day One

Email/password auth, role-based access control, and permission management. Invite team members, assign roles, and control who sees what — no third-party auth service needed.

Authentication & Authorization: Ready from Day One
Included

Multi-Tenant Architecture: Data Isolation by Default

Every organization gets its own isolated space. Invite users, configure settings per tenant, and scale without worrying about data leaks between customers.

Multi-Tenant Architecture: Data Isolation by Default
Included

Theme System: Light, Dark, and Custom

A fully wired theme system with light and dark modes out of the box. Customize colors, fonts, and branding per tenant. Your users get a polished experience from day one.

Theme System: Light, Dark, and Custom
Included

Internationalization: Speak Your Users' Language

Full i18n support with English, Polish, and Czech built in. Add new languages with a single JSON file. Per-user language preference, no restart needed.

Internationalization: Speak Your Users' Language
Built on a Solid Foundation

Everything You Need to Launch a Real Product

BizFlowNH provides the infrastructure so you can focus on what makes your SaaS unique.

React Dashboard
A polished SPA dashboard built with React, Vite, and Tailwind CSS. Responsive, fast, and ready to extend.
Astro Landing Page
SEO-friendly landing page with SSR, i18n routing, and a dark theme. What you're looking at right now.
.NET 9 API
Production-ready backend with clean architecture, EF Core, and OpenAPI documentation.
Docker & CI/CD
Dockerized services, GitHub Actions pipelines, and one-command deploys to any VPS.
Admin CRUD
Generic admin interface for managing entities. List, create, edit, delete — the boring stuff handled.
Org Settings
Per-organization configuration that merges with user preferences. Timezone, language, currency — all handled.
Roles & Permissions
Fine-grained access control. Admin configures roles, each role has explicit permissions.
Multi-Language (EN/PL/CZ)
Full interface in three languages. Switch per user, no restart required.
Observability
Structured logging, health checks, and monitoring hooks. Know what's happening in production.
On the Roadmap

What's Coming Next

Actively in development. Contributors and early adopters shape the priorities.

Q2 2026
Billing & Subscriptions
Stripe integration with plan management, usage tracking, and customer portal.
Q2 2026
Email Service
Transactional emails with templates. Welcome emails, password resets, notifications.
Q3 2026
Onboarding Wizard
Guided setup flow. From signup to productive in under 5 minutes.
Q3 2026
Webhooks
Event-driven integrations. Let your users connect their tools without custom code.
Q3 2026
File Storage
S3-compatible file uploads with presigned URLs and per-tenant isolation.
Q4 2026
AI Toolkit (BYOK)
Bring your own API key. AI-powered features your users can opt into.

Pricing

BizFlowNH is open source. Use it for free, forever. We're building this in the open with the community.

Open Source
Open Source
Full access to all features. Clone the repo and start building your SaaS today.
Free

Included

  • Authentication & role-based access
  • Multi-tenant data isolation
  • Theme system (light/dark/custom)
  • i18n (EN/PL/CZ)
  • React dashboard + Astro landing
  • .NET 9 API with clean architecture
  • Docker & CI/CD pipelines
  • Unlimited users & organizations

Coming soon

  • Billing & Stripe integration, Q2 2026
  • Transactional email service, Q2 2026
  • Onboarding wizard, Q3 2026
  • AI toolkit (BYOK), Q4 2026

Hosted / managed plans may come later. Self-hosted is always free.

Get Early Access

We're onboarding early adopters one by one. Waitlist members get priority access and help shape the product. No spam, just one email when it's your turn.

Building a SaaS and want to skip the boilerplate? Tell us about it — we're prioritizing builders who give us real feedback.