Software Alternatives, Accelerators & Startups

Open SaaS

Free, open-source SaaS boilerplate starter for React & NodeJS.

Some of the top features or benefits of Open SaaS are: Flexibility, Cost-Effectiveness, Transparency, Community Support, and Rapid Innovation. You can visit the info page to learn more.

Best Open SaaS Alternatives & Competitors in 2025

The best Open SaaS alternatives based on verified products, community votes, reviews and other factors.
Filter: 10 Open-Source Alternatives. Latest update:

  1. Built your SAAS quickly and skip the boring parts

    /nextbase-alternatives
  2. The boilerplate for your next web app built on top of Supabase and Next.js.

    /supastarter-alternatives
  3. Powerful SaaS integration toolkit for SaaS developers - create, amplify, manage and publish native integrations from within your app with Cyclr's flexible Embedded iPaaS.

    Try for free paid Free Trial

    Try for free
  4. Develop web apps in React & Node.js with no boilerplate

    Open Source

    /wasp-lang-alpha-alternatives
  5. SaaS boilerplate and starter kit built with Node.js and React

    Open Source paid $99.0 / One-off (For one project)

    /volca-alternatives
  6. The Pegasus SaaS boilerplate provides core features like user management, teams, subscription billing, APIs and more in a codebase that developers love.

    /saas-pegasus-alternatives
  7. The SaaS starter for hexagonal architecture

    $420.0 / One-off (Unlimited projects for your team. One year of updates.)

    /widin-io-alternatives
  8. What problem does SaaS Boilerplate solve? SaaS Boilerplate is the developer’s way out of the vicious circle of redeveloping dull and repetitive features. Never waste time on building features every SaaS includes.

    Open Source

    /saas-boilerplate-by-apptension-alternatives
  9. Customer feedback, public roadmap & product changelog

    /makerkit-alternatives
  10. Create and Revise Unique Cover Letters Based on Your Skills.

    Open Source

    /coverlettergpt-alternatives
  11. Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.

    Try for free Open Source freemium

    /flagsmith-alternatives
  12. A free & anonymous startup acquisition marketplace

    /microacquire-alternatives
  13. The best way to create your next SaaS. Build your SaaS project in a weekend with our powerful boilerplates, featuring Next.js 14, TypeScript, Prisma, and Tailwind. Manage your software factory with The Factory Suite or leverage our custom development

    paid $99.0 / Annually (Yearly access)

    /the-saas-factory-alternatives
  14. An open-source starter kit that will help you build full-stack multi-tenant SaaS platforms efficiently and help you focus on developing your core SaaS features.

    Open Source free

    /nextacular-alternatives
Suggest an alternative
If you think we've missed something, please suggest an alternative to Open SaaS.

Open SaaS discussion

Log in or Post with
  1. Stan Bright avatar
    Stan Bright
    · about 1 year ago
    · Reply

    This one received lot's of love on Hacker News recently. It should be good :).