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Compare Auth0 alternatives
Open-source options beside a commercial column for Auth0. Facts come from project records, not vendor marketing.
| Attribute | Keycloak | Authentik | Logto | Auth0 |
|---|---|---|---|---|
| GitHub stars | 37,078 | 25,795 | 14,646 | — |
| License | Apache-2.0 | Custom | MPL-2.0 | Proprietary |
| Self-hosted | Yes | Yes | Yes | No |
| Docker noted | Yes | Yes | Yes | — |
| Cloud / hosted | — | — | Yes | Yes |
| Primary language | Java | Python | TypeScript | — |
| Last commit | 2026-10-01 | 2026-10-01 | 2026-09-30 | — |
| Difficulty | Advanced | Moderate | Moderate | — |
Pairwise comparisons
Not a sponsored ranking. Repository activity is a signal, not a quality guarantee.