# Duo Directory vs Keycloak: side-by-side comparison (2026)

[Duo Directory](https://cybersectools.com/tools/duo-duo-directory) is a commercial [access management](https://cybersectools.com/categories/access-management) solution by [Duo Security](https://cybersectools.com/companies/duo-security). [Keycloak](https://cybersectools.com/tools/keycloak) is a commercial [access management](https://cybersectools.com/categories/access-management) solution by [Keycloak](https://cybersectools.com/companies/keycloak). Features, integrations, deployment and the company behind each one, side by side.

Need the answer fast? [Best Access Management Solutions for Business](https://cybersectools.com/shortlists/best-access-management-solutions) picks Microsoft Entra ID, Okta Single Sign-On, Ping Identity Platform and 4 more.

## Side-by-side comparison

| | Duo Directory | Keycloak |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Access Management | Access Management |
| Verified | No | No |
| Deployment type | Cloud | Hybrid |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | Duo Security | Keycloak |
| Headquarters | – | – |

### Use cases and capabilities

| | Duo Directory | Keycloak |
|---|---|---|
| MFA | Yes | Yes |
| Single Sign On | Yes | Yes |
| Authentication | Yes | Yes |
| Authorization | – | Yes |
| Open Source | – | Yes |

### Core features

**Duo Directory**

10 features listed. Sign in on the page to see them.

**Keycloak**

10 features listed. Sign in on the page to see them.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Duo Directory](https://cybersectools.com/tools/duo-duo-directory) fits if you want a cloud product.
- [Keycloak](https://cybersectools.com/tools/keycloak) fits if you need both cloud and on-premises options and you are a startup.

## Duo Directory vs Keycloak FAQ

Common questions when comparing Duo Directory vs Keycloak for access management.

### What is the difference between Duo Directory and Keycloak?

**Duo Directory**: IAM solution with user directory, SSO, MFA, and passwordless authentication. Built by Duo Security.

**Keycloak**: Open source IAM server providing SSO, identity brokering, federation, and authorization. Built by Keycloak.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes Duo Directory and Keycloak?

**Duo Directory** is made by Duo Security. **Keycloak** is made by Keycloak. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Duo Directory a good alternative to Keycloak?

Often, yes. Duo Directory and Keycloak are both Access Management products, and both cover Single Sign On, MFA, Authentication. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Duo Directory vs Soffid Access Management](https://cybersectools.com/compare/duo-duo-directory-vs-soffid-access-management)
- [Duo Directory vs Auth0 Single Sign On](https://cybersectools.com/compare/auth0-single-sign-on-vs-duo-duo-directory)
- [Duo Directory vs Ubisecure Workforce Identity & Access Management](https://cybersectools.com/compare/duo-duo-directory-vs-ubisecure-workforce-identity-and-access-management)
- [Keycloak vs Soffid Access Management](https://cybersectools.com/compare/keycloak-vs-soffid-access-management)
- [Keycloak vs Auth0 Single Sign On](https://cybersectools.com/compare/auth0-single-sign-on-vs-keycloak)
- [Keycloak vs Ubisecure Workforce Identity & Access Management](https://cybersectools.com/compare/keycloak-vs-ubisecure-workforce-identity-and-access-management)

## Alternatives to each

- [See all Duo Directory alternatives](https://cybersectools.com/alternatives/duo-duo-directory)
- [See all Keycloak alternatives](https://cybersectools.com/alternatives/keycloak)

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Source: https://cybersectools.com/compare/duo-duo-directory-vs-keycloak

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/duo-duo-directory.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Duo Directory and Keycloak: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md