Hi Citrix. Hide VPNs. Hide Windows on a LAN. Knocknoc solves this. Just in time identity linked allow-listing. DIY, on-premise or SaaS. Prevent attacks fast.
VisitCustomer IAM platform for managing external identities with SSO and MFA
Open-source, multi-tenant identity platform for authn, authz, and SSO.
See more solutions in this category, or build a security stack from your picks.
Based on what each listing shows: deployment, company size, price and open source.
ZITADEL fits if you are a startup.
Common questions when comparing OpenIAM Customer IAM vs ZITADEL for CIAM.
OpenIAM Customer IAM: Customer IAM platform for managing external identities with SSO and MFA. Built by OpenIAM.
ZITADEL: Open-source, multi-tenant identity platform for authn, authz, and SSO. Built by ZITADEL.
The table above shows where their features, integrations, deployment and company size fit differ.
OpenIAM Customer IAM is made by OpenIAM. ZITADEL is made by ZITADEL. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. OpenIAM Customer IAM and ZITADEL are both CIAM products, and both cover Authentication. Use the table above to see where features, deployment and company size fit differ.
No CIAM shortlist yet. This is the closest one.
Updated 2026-11-02
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