FusionAuth vs LemonLDAP::NG

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?
FeatureFusionAuthLemonLDAP::NG
CategoryIdentity & SSOIdentity & SSO
LicenseApache-2.0GPL-2.0
LanguageDockerfilePerl
Setup difficultyMediumHard
Min. RAM1,024 MB1,024 MB
Deploymentdocker, kubernetes, bare-metaldocker, bare-metal
GitHub stars★ 241★ 84
First released20182005
ReplacesAuth0, OktaOkta, PingFederate

Why pick each one

Choose FusionAuth if…

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

Choose LemonLDAP::NG if…

  • Mature and full-featured
  • Many protocol options
LemonLDAP::NG details

Frequently asked questions

Is FusionAuth or LemonLDAP::NG better?

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

Are FusionAuth and LemonLDAP::NG free and open-source?

Yes. FusionAuth is licensed under Apache-2.0 and LemonLDAP::NG under GPL-2.0. Both can be self-hosted at no software cost.

Can I run FusionAuth and LemonLDAP::NG with Docker?

FusionAuth: yes. LemonLDAP::NG: yes.

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