Last checked October 15, 2026
Keycloak vs Authentik
Keycloak and Authentik are free apps you can use instead of Auth0. Keycloak is full on every job on that list. Authentik is easier to run on your own server.
100 means it does everything the paid app does. How this works
Instead of Auth0
Last checked October 15, 2026
Keycloak scores 100 and ranks #1. Authentik scores 93 and ranks #2.
Scroll sideways to see both apps.
| Feature | Keycloak#1 · 100 | Authentik#2 · 93 |
|---|---|---|
| A hosted login pageCounts for 10 | Full | Full |
| OIDC or SAMLCounts for 10 | Full | Full |
| Social loginCounts for 6 | Full | Partial |
| A second factorCounts for 8 | Full | Full |
| A user directoryCounts for 8 | Full | Full |
Where they differ
Social login
Counts for 6. Keycloak is full. Authentik is partial.
Both are full on a hosted login page, OIDC or SAML, a second factor, and a user directory.
Also ranked: Zitadel scores 90 and ranks #3. SuperTokens scores 88 and ranks #4. Authelia scores 71 and ranks #5.
The facts on file
Keycloak
Hosted login, OIDC, SAML, and a user directory.
- Rules
- Open source. Apache-2.0
- Run it yourself
- Hard. Java. Plan for upgrades and a database.
- Free plan
- The free edition can run on your own server. You do not pay per person. We did not copy a hosted price here. Not checked.
- They host it
- No hosted price on file.
- Where it runs
- Web, Run it yourself
Last checked October 15, 2026
Authentik
An identity provider with an MIT core.
- Rules
- Open source. MIT (core)
- authentik/enterprise has its own license. The website directory is CC BY-SA.
- Run it yourself
- Moderate. Plan on Docker or a small virtual machine. A paid hosted plan, if there is one, is separate from the free copy you run yourself.
- Free plan
- The free edition can run on your own server. You do not pay per person. We did not copy a hosted price here. Not checked.
- They host it
- No hosted price on file.
- Where it runs
- Web, Run it yourself
Last checked October 15, 2026
Which one to pick
Keycloak
Pick Keycloak if you want social login marked full. It is full on the rest of the Auth0 list too. The rules are Apache-2.0. Running it is hard. You need Java, upgrades, and a database.
Authentik
Pick Authentik if you want an easier time running it yourself. The listing says moderate: Docker or a small virtual machine. The core is MIT. The enterprise folder has its own rules. Social login is partial.