Open-source identity and access management platform with SSO, MFA, passkeys, OIDC, SAML and SCIM support for SaaS and B2B apps.
15.4K1.4KGoAGPL-3.0Updated 24 hours ago
1 alternative
Best open-source alternatives to FusionAuth (2026)
Looking for a free, open-source alternative to FusionAuth? These 1 projects can replace it. Each one passed our quality screening and is explained in plain words, so you can compare stars, license and maintenance at a glance.
Quick comparison
| Project | Stars | License | Last commit |
|---|---|---|---|
| zitadel/zitadel | ★ 15.4K | AGPL-3.0 | 24 hours ago |
FAQ
- Is there a free, open-source alternative to FusionAuth?
- Yes. The most popular open-source alternatives to FusionAuth on Repolode are zitadel.
- Which FusionAuth alternative should I choose?
- zitadel has the most GitHub stars and is released under AGPL-3.0. Compare the license and last commit of each option in the table above before choosing.