Dex vs Gluu Flex

A side-by-side comparison of two self-hosted identity & sso options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureDexGluu Flex
CategoryIdentity & SSOIdentity & SSO
LicenseApache-2.0Apache-2.0
LanguageGoTypeScript
Setup difficultyMediumHard
Min. RAM128 MB4,096 MB
Deploymentdocker, kubernetes, binarydocker, kubernetes, helm
GitHub stars★ 11,019★ 31
First released20162009
ReplacesOkta, Auth0Okta, Ping Identity

Why pick each one

Choose Dex if…

  • Great Kubernetes integration
  • Simple and reliable
Dex details

Choose Gluu Flex if…

  • Released under the Apache-2.0 license
  • First-class Docker support for quick deployment
  • Kubernetes-ready with Helm charts available
  • Written in TypeScript
Gluu Flex details

Frequently asked questions

Is Dex or Gluu Flex better?

Dex is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider Gluu Flex if its specific feature set fits your needs better.

Are Dex and Gluu Flex free and open-source?

Yes. Dex is licensed under Apache-2.0 and Gluu Flex under Apache-2.0. Both can be self-hosted at no software cost.

Can I run Dex and Gluu Flex with Docker?

Dex: yes. Gluu Flex: yes.

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