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Enterprise security solutions for security teams and CISOs. Shortlists and product data. Market data and API access: Mandos.

Operated by Mandos Cyber · KVK 97994448 · VAT NL005301434B12 · 124, 1230 AC Loosdrecht, Netherlands · © 2026 All rights reserved

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24 Clerk Alternatives & Competitors (2026) | CybersecTools

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Clerk

Clerk alternatives and competitors (2026)

The closest Clerk alternatives are ZITADEL, Okta Auth0 and FusionAuth. Picking a Clerk alternative comes down to fit: CIAM coverage, your environment, your integrations and your budget. So each option below shows what it covers, how it deploys, its pricing model and the company behind it.

24 alternativesClosest matches: ZITADEL, Okta Auth0, FusionAuthPage updated Nov 2026

The product

by Clerk

Authentication and user management platform with pre-built UI components

IAMCommercialView profile

Clerk alternatives and competitors

Clerk is a commercial CIAM solution made by Clerk. The closest matches by shared tags and NIST CSF 2.0 coverage are ZITADEL, Okta Auth0, FusionAuth, Tesseral, and Descope CIAM Platform. All 24 alternatives on this page are ranked the same way.

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The closest Clerk alternatives

These 8 solutions overlap most with Clerk. Each row says what the product does and, when the overlap is big enough, which capabilities it shares.

1
ZITADEL
Open-source, multi-tenant identity platform for authn, authz, and SSO.
CIAMCommercial
Key features: 10 listed. See them on the ZITADEL page.
Shares 5 capabilities with Clerk: Authorization, Authentication, MFA, SSO +1 more
View ZITADEL ZITADEL alternatives Clerk vs ZITADEL
2
Okta Auth0
Identity and access management platform for authentication and authorization
CIAMCommercial
Key features: 6 listed. See them on the Okta Auth0 page.
Shares 4 capabilities with Clerk: Authorization, Authentication, MFA, SSO
View Okta Auth0 Okta Auth0 alternatives Clerk vs Okta Auth0
3
FusionAuth
AuthN, AuthZ, and identity management you can deploy anywhere and control end to end.
CIAMCommercial
Key features: 10 listed. See them on the FusionAuth page.
Shares 4 capabilities with Clerk: Authorization, Authentication, MFA, SSO
View FusionAuth FusionAuth alternatives Clerk vs FusionAuth
4
Tesseral
B2B user management platform with auth, SSO, SCIM, RBAC, and API security
CIAMCommercial
Key features: 10 listed. See them on the Tesseral page.
Shares 4 capabilities with Clerk: Authorization, Authentication, MFA, SSO
View Tesseral Tesseral alternatives Clerk vs Tesseral
5
Descope CIAM Platform
No/low-code CIAM platform for auth, SSO, MFA, and user management.
CIAMCommercial
Key features: 10 listed. See them on the Descope CIAM Platform page.
Shares 4 capabilities with Clerk: Authorization, Authentication, MFA, SSO
View Descope CIAM Platform Descope CIAM Platform alternatives Clerk vs Descope CIAM Platform
6
Auth0 Platform
Developer-focused customer identity platform for authentication & authorization
CIAMCommercial
Key features: 10 listed. See them on the Auth0 Platform page.
Shares 3 capabilities with Clerk: Authorization, Authentication, MFA
View Auth0 Platform Auth0 Platform alternatives Clerk vs Auth0 Platform
7
Ory CIAM
Customer Identity and Access Management platform with OAuth 2.0 and OIDC
CIAMCommercial
Key features: 10 listed. See them on the Ory CIAM page.
Shares 3 capabilities with Clerk: Authorization, Authentication, SSO
View Ory CIAM Ory CIAM alternatives Clerk vs Ory CIAM
8
LoginRadius Customer Identity
Customer identity and access management platform for businesses
CIAMCommercial
Key features: 6 listed. See them on the LoginRadius Customer Identity page.
Shares 3 capabilities with Clerk: Authentication, SSO, Multi Tenancy
View LoginRadius Customer Identity LoginRadius Customer Identity alternatives Clerk vs LoginRadius Customer Identity

All 24 products like Clerk

Open-source, multi-tenant identity platform for authn, authz, and SSO.

Identity and access management platform for authentication and authorization

AuthN, AuthZ, and identity management you can deploy anywhere and control end to end.

B2B user management platform with auth, SSO, SCIM, RBAC, and API security

Descope CIAM Platform

No/low-code CIAM platform for auth, SSO, MFA, and user management.

Developer-focused customer identity platform for authentication & authorization

Customer Identity and Access Management platform with OAuth 2.0 and OIDC

LoginRadius Customer Identity

Customer identity and access management platform for businesses

CIAM platform for customer identity verification, access management, and SSO

Transmit Security

IAM platform offering CIAM, passwordless auth, and fraud prevention.

CIAM and digital identity platform for fraud prevention and user lifecycle mgmt.

Open-source auth platform with passkeys, OAuth, and 2FA for web apps.

B2B IAM platform with self-service onboarding and granular access control

Fully managed IAM platform with auth APIs, passkeys, and access control

Ubisecure Identity Platform

Customer and B2B identity management platform with CIAM and IAM capabilities

Customer identity platform with SSO, SCIM, and multi-tenant management

Simeio Customer Identity & Access Management (CIAM)

Managed CIAM service for securing customer digital access and experiences

PropelAuth Security

Authentication service with built-in security features and compliance certifications

SlashID Identity Management

Identity management platform with biometric auth and multi-region support

Journey Trusted Identity Platform

Omnichannel identity platform for biometric auth, KYC, and secure transactions.

Strivacity CIAM Platform

SaaS CIAM platform for managing customer, partner, and AI agent identities.

Fortytwo Labs π-Control

Cryptographic identity platform for authentication, transaction security

OpenIAM Customer IAM

Customer IAM platform for managing external identities with SSO and MFA

OwnID Trust Auth

Passwordless authentication platform using passkeys and biometrics

Alternatives to each of these

ZITADEL alternatives Okta Auth0 alternatives FusionAuth alternatives Tesseral alternatives Descope CIAM Platform alternatives Auth0 Platform alternatives Ory CIAM alternatives LoginRadius Customer Identity alternatives Ubisecure CIAM alternatives Transmit Security alternatives VU Security alternatives Hanko alternatives

Compare Clerk with

Clerk vs ZITADEL Clerk vs Okta Auth0 Clerk vs FusionAuth Clerk vs Tesseral Clerk vs Descope CIAM Platform Clerk vs Auth0 Platform Clerk vs Ory CIAM Clerk vs LoginRadius Customer Identity

Clerk Alternatives FAQ

Common questions when weighing alternatives to Clerk.

What are the closest alternatives to Clerk?

The closest matches to Clerk by shared tags and NIST CSF 2.0 coverage are ZITADEL, Okta Auth0, FusionAuth, Tesseral, and Descope CIAM Platform. All of them are CIAM products.

How many alternatives to Clerk are available?

This page shows 24 alternatives to Clerk, all in the CIAM category. Each one is matched on shared tags and NIST CSF 2.0 areas, and the closest matches rank first.

Is Clerk free or commercial?

Clerk is a commercial CIAM product. It needs a paid license or subscription. Only commercial alternatives are listed here. Free and open source products are under /free.

What type of solution is Clerk?

Clerk is a CIAM product in the IAM category. You can compare it with the 24 other CIAM products on this page.

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Updated 2026-11-02

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Popular comparisons

Okta Auth0 vs Transmit Security
Ory B2B IAM vs ZITADEL
Okta Auth0 vs Tesseral