Gluu Flex vs Logto

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?
FeatureGluu FlexLogto
CategoryIdentity & SSOIdentity & SSO
LicenseApache-2.0MPL-2.0
LanguageTypeScriptTypeScript
Setup difficultyHardMedium
Min. RAM4,096 MB512 MB
Deploymentdocker, kubernetes, helmdocker, kubernetes, binary
GitHub stars★ 31★ 14,305
First released20092022
ReplacesOkta, Ping IdentityAuth0, Firebase Auth, Clerk

Why pick each one

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

Choose Logto if…

  • Great developer experience
  • Modern UI and SDKs
Logto details

Frequently asked questions

Is Gluu Flex or Logto better?

Logto 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 Gluu Flex and Logto free and open-source?

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

Can I run Gluu Flex and Logto with Docker?

Gluu Flex: yes. Logto: yes.

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