Open source vs SaaS — side-by-side comparison
Overview
Auth0KeycloakTypeSaaSOpen Source
CategoryAuthenticationAuthentication
Pricing$23/moFree (self-hosted)
Self-Hostable
LicenseProprietaryApache-2.0
GitHub Metrics
Auth0KeycloakStars--34k
Forks--8.3k
Contributors--323
Open Issues--2.7k
Last Commit--Apr 2026
Latest Release----
Why Consider the Open Source Alternative?
Data ownership — Self-host your data and maintain full control over your information
No vendor lock-in — Avoid recurring subscription costs and switch freely
Customizable — Modify the source code to fit your exact needs
The SaaS-to-Self-Hosted Migration Guide (Free PDF)
Step-by-step: infrastructure setup, data migration, backups, and security for 15+ common SaaS replacements. Used by 300+ developers.
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