authentik
Open-source identity provider with modern UI and protocol support
Pricing: Free (Open Source) / Enterprise from contact
Reviewed by the CyberSecTool editorial team against the public sources cited below · Last reviewed March 2026 · How we review listings
What is authentik?
authentik is an open-source identity provider focused on flexibility and versatility. It supports SAML, OAuth2, OpenID Connect, LDAP, SCIM, and RADIUS protocols. It provides a modern UI for user self-service, admin management, and can act as a full identity provider or authentication proxy.
- ✓ Fully open source with active development
- ✓ Modern, polished admin UI
- ✓ Supports all major identity protocols
- ✓ Easy Docker/Kubernetes deployment
- ✓ Flexible flow-based authentication engine
- • Younger project than Keycloak
- • Smaller community and ecosystem
- • Enterprise features require paid license
- • Limited enterprise support options
Reported in public reviews and vendor documentation. See sources below.
Key Features
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Sources & references
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Quick Info
| Pricing | Free (Open Source) / Enterprise from contact |
| Model | Open Source + Enterprise |
| Founded | 2020 |
| Cloud | No |
| Self-Hosted | Yes |
| Open Source | Yes |
Last updated: Mar 26, 2026
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