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WorkOS

Enterprise-ready auth for B2B SaaS: SSO, directory sync and user management via APIs.

Free plan + paidAuthentication providers
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About WorkOS

WorkOS started as a way for SaaS companies to add SAML and OIDC single sign-on for enterprise customers without building each integration themselves, and has grown into a full user management platform. AuthKit provides hosted, customisable login with passwords, social sign-in, magic codes, passkeys and MFA, while Directory Sync connects to customers' Okta, Entra ID or Google directories for automatic provisioning. An Admin Portal lets your customers' IT admins configure SSO themselves, and add-ons cover audit logs, role-based access control, fine-grained authorization, bot protection and key management. Its pricing is unusual: user management is free for the first million monthly active users, and you pay per enterprise SSO or directory connection instead. That makes it inexpensive early on and predictable as you sign larger customers. It is cloud only, built mainly for B2B products rather than consumer apps.

Best for: B2B SaaS companies selling to enterprises that ask for SSO and SCIM.

Pros and cons

What works

  • First million monthly active users are free
  • Self-serve Admin Portal for customers' IT admins
  • Clean APIs and docs for SSO and directory sync

Why people leave

  • Each enterprise SSO connection is billed monthly
  • Cloud only
  • Less suited to consumer apps with heavy fraud concerns

Top WorkOS alternatives

See all 5
  1. 1Cl
    Clerk

    Richer prebuilt UI for consumer and B2B apps, priced by users rather than connections.

    66.5
  2. 2PropelAuth logo
    PropelAuth

    B2B-focused auth with unlimited SAML connections on paid plans.

    62.6
  3. 3Frontegg logo
    Frontegg

    Adds an embeddable admin portal and entitlements for multi-tenant SaaS.

    59.6
  4. 4Auth0 logo
    Auth0

    Broader platform covering consumer and B2B cases with many extensions.

    57.2
  5. 5Zitadel logo
    Zitadel

    Open-source and multi-tenant, so you can self-host and avoid per-connection fees.

    55.3

Why people left WorkOS

In reviewers' own words, from reviews of the apps they moved to. These are their opinions, not ours.

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WorkOS: common questions

Is WorkOS free?

WorkOS has a free plan and paid plans. Free plan: First 1 million active users free (checked on WorkOS's own site).

Is WorkOS open source?

No, WorkOS is not open source. Open-source alternatives include Zitadel.

What platforms does WorkOS run on?

WorkOS is available for Web.

What are the best alternatives to WorkOS?

The highest-ranked WorkOS alternatives right now are Clerk, PropelAuth and Frontegg. See the full ranked list for pricing, platforms and verified facts.

See all 5 WorkOS alternatives