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Saasfly

Free (MIT License)
4.5/5

MIT-licensed, enterprise-grade Next.js boilerplate. Completely free, open-source alternative to paid options.

Why founders use Saasfly

Next.js 14 with App Router
Prisma ORM with PostgreSQL/MySQL support
NextAuth.js authentication with OAuth providers
Stripe payment integration
Internationalization (i18n) support
Email service integration (Resend/SendGrid)
Shadcn/ui component library
Admin dashboard
SEO-optimized pages
Dark mode support

The Good

Completely free with no restrictions or licensing fees
Open-source means full code transparency and control
Enterprise-grade features (auth, payments, i18n, email)
Active GitHub community and issue support
Can fork, modify, and deploy anywhere without limitations

The Bad

Limited official support (community-driven help only)
Requires comfort reading and debugging code
May need more configuration than paid alternatives
Less handholding for beginners

The Verdict

Saasfly is a powerful open-source alternative for indie hackers who want zero financial risk and full code transparency. Built with Next.js 14, Prisma, NextAuth.js, and Stripe, it provides 90% of the features of paid boilerplates without the cost. The MIT license means you own everything—no vendor lock-in, no licensing restrictions, unlimited use.\n\nBeing open-source doesn't mean less professional. Saasfly is battle-tested, production-ready, and actively maintained. The trade-off is self-support (community-driven), but for developers comfortable debugging and exploring code, this is the ultimate cost-effective starter for validating SaaS ideas.

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Saasfly Review (2026): Features, Pricing & Alternatives