Open SaaSvsSupastarter

Open SaaS (free, by Wasp) and Supastarter ($299, by Jonathan Wilke) are both feature-rich SaaS starters with auth, Stripe billing, admin dashboards, and team support — but the gap in price and technology choices is significant. Open SaaS is built on the Wasp framework (React + Node.js) and is completely free. Supastarter is built on Next.js with Supabase and costs $299 for a lifetime license.

The feature comparison is closer than the price suggests. Open SaaS includes Stripe subscriptions and one-time payments, user authentication with social login, an admin dashboard, OpenAI integration, email, and a blog. Supastarter includes multi-tenancy with full team management (invitations, roles, member management), Supabase Auth with 2FA support, a more polished admin panel, internationalization (i18n) for multiple languages, file uploads with Supabase Storage, React Email templates, a docs site, and Docker support. The critical difference is multi-tenancy depth: Supastarter's team model is production-ready for B2B SaaS where users belong to organizations with different roles. Open SaaS supports user accounts but doesn't have the same depth of organizational hierarchy.

The technology stack difference carries real consequences. Supastarter's Next.js + Supabase combination is one of the most widely used stacks in 2026 — vast community resources, tutorials, and third-party integrations exist for every problem you'll encounter. Supabase's PostgreSQL backend with row-level security gives you a proper relational database with auth baked in. Open SaaS uses Wasp, a declarative framework that generates React + Node.js code. Wasp reduces boilerplate but introduces a non-standard abstraction that requires learning Wasp-specific concepts. When you're debugging a specific authentication edge case at 2am, the Stack Overflow answers for Next.js + Supabase are more plentiful than for Wasp.

Open SaaS's AI integration deserves attention. Pre-wired OpenAI support (GPT-4) is a genuine differentiator for 2026 SaaS products — adding AI features to a Supastarter project requires integrating the OpenAI SDK manually. If your product includes any AI functionality, Open SaaS's head start is meaningful.

Choose Open SaaS if you want the most feature-complete free starter available, your product includes AI functionality, and you're comfortable learning Wasp's abstractions. Choose Supastarter if you're building a B2B product that needs production-grade multi-tenancy, internationalization, and active maintenance from a commercial team — the $299 is a reasonable investment for the team management and admin infrastructure alone.