SHSelfHostIndex

Open Policy Agent vs Traefik Forward Auth

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?
OP Open Policy Agent General-purpose policy engine for cloud-native stacks VS TR Traefik Forward Auth Minimal forward authentication service for Traefik
FeatureOpen Policy AgentTraefik Forward Auth
CategoryIdentity & SSOIdentity & SSO
LicenseApache-2.0MIT
LanguageGoGo
Setup difficultyMediumEasy
Min. RAM256 MB64 MB
Deploymentdocker, kubernetes, binarydocker, binary
GitHub stars★ 12,086★ 2,390
First released20162018
ReplacesAWS IAM policiesCloudflare Access

Why pick each one

Choose Open Policy Agent if…

  • Released under the Apache-2.0 license
  • First-class Docker support for quick deployment
  • Kubernetes-ready with Helm charts available
  • Mature project with 12.1k GitHub stars
Open Policy Agent details

Choose Traefik Forward Auth if…

  • Released under the MIT license
  • Easy to set up — beginner-friendly
  • First-class Docker support for quick deployment
  • Active community (2.4k GitHub stars)
Traefik Forward Auth details

Frequently asked questions

Is Open Policy Agent or Traefik Forward Auth better?

Neither is universally better. Open Policy Agent has the larger community, while Traefik Forward Auth is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.

Are Open Policy Agent and Traefik Forward Auth free and open-source?

Yes. Open Policy Agent is licensed under Apache-2.0 and Traefik Forward Auth under MIT. Both can be self-hosted at no software cost.

Can I run Open Policy Agent and Traefik Forward Auth with Docker?

Open Policy Agent: yes. Traefik Forward Auth: yes.

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