Why I built an open-source alternative to Auth0

📰 Dev.to · Mark Odera

Learn how to build an open-source alternative to Auth0 and reduce authentication costs at scale

advanced Published 28 Apr 2026
Action Steps
  1. Research existing authentication solutions like Auth0 and Clerk to understand their limitations
  2. Design a scalable authentication architecture using open-source technologies
  3. Build a prototype using open-source libraries and frameworks
  4. Test and iterate on the prototype to ensure security and reliability
  5. Deploy the open-source alternative to production and monitor its performance
Who Needs to Know This

Developers and engineering teams can benefit from this alternative to reduce costs and increase customization

Key Insight

💡 Open-source authentication solutions can be a cost-effective alternative to commercial products like Auth0 at scale

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🔓 Ditch expensive auth solutions! Learn how to build an open-source alternative to Auth0 and save at scale 💸

Key Takeaways

Learn how to build an open-source alternative to Auth0 and reduce authentication costs at scale

Full Article

Auth0 is a great product. So is Clerk. But at scale, both get expensive fast. Auth0 can run into...
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