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Authelia

★ 24k

Single sign-on and 2FA portal that bolts onto your reverse proxy to protect every internal app.

Authelia does the job of Okta, self-hosted. It is Apache-2.0-licensed, so you can do essentially what you like with it, and setting it up is an afternoon, not a weekend. Okta bills $6/user for it. 24k stars on GitHub.

Open-source replacement for Okta.

Licence
Apache-2.0
Self-hosting
Medium
The paid one costs
$6/user
GitHub stars
24k
view the code →official site →

Is it actually a replacement?

We have written a verdict on what it replaces — what you lose, and why people still pay:

How Authelia runs

Where it runs

Authelia runs on your server.

What setup takes

not verified by us yet — check the repo README.

Authelia questions

Is Authelia open source?

Yes — it is released under Apache-2.0.

Can Authelia replace Okta?

Our verdict on Okta is YES. Vaultwarden (45k stars), Keycloak (28k stars), Authelia (24k stars) are mature open-source replacements for Okta — self-host in one command and stop paying $17/mo.

Can I self-host Authelia?

Yes — we rate it medium to self-host, and it runs on your server.

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