authentik vs SimpleSAMLphp

A side-by-side comparison of two self-hosted apps from related categories — licensing, setup difficulty, resource needs, and what each one replaces.

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FeatureauthentikSimpleSAMLphp
CategoryReverse Proxy & GatewaysIdentity & SSO
LicenseMITLGPL-2.1
LanguagePythonPHP
Setup difficultyMediumMedium
Min. RAM1,024 MB256 MB
Deploymentdocker, kubernetes, helmbare-metal, source, docker
GitHub stars★ 23,666★ 1,139
First released20202007
ReplacesOkta, Auth0Okta, PingFederate

Why pick each one

Choose authentik if…

  • Released under the MIT license
  • First-class Docker support for quick deployment
  • Kubernetes-ready with Helm charts available
  • Mature project with 23.7k GitHub stars
authentik details

Choose SimpleSAMLphp if…

  • Proven and widely deployed
  • Flexible modules
SimpleSAMLphp details

Frequently asked questions

Is authentik or SimpleSAMLphp better?

Neither is universally better. authentik has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.

Are authentik and SimpleSAMLphp free and open-source?

Yes. authentik is licensed under MIT and SimpleSAMLphp under LGPL-2.1. Both can be self-hosted at no software cost.

Can I run authentik and SimpleSAMLphp with Docker?

authentik: yes. SimpleSAMLphp: yes.

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