compare
Casdoor vs ZITADEL
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Casdoor | ZITADEL |
|---|---|---|
| Language | Go | Go |
| Licence | Apache-2.0 | AGPL-3.0 |
| Stars | 15k | 15k |
| Latest | v4.17.0 | v4.19.4 |
| Last push | 2026-10-06 | 2026-10-06 |
| Release cadence | about 2 days between releases | about 2 days between releases |
| Active contributors | 17 commit authors on the default branch in the last 90 days | 20 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Auth0. Alternatives to Auth0 →
Full replacementCasdoorOIDC, OAuth 2, SAML, CAS and LDAP with social logins, on your own servers.
Full replacementZITADELMulti-tenant login, OpenID Connect, SAML and passkeys, built for B2B apps.
Both replace Okta. Alternatives to Okta →
PartialCasdoorSingle sign-on and MFA for your apps; no workforce lifecycle management.
PartialZITADELSSO for your own applications rather than a workforce app catalogue.
Casdoor
- v4.17.02026-10-06817334ed69d92e8bcb3c7b24589f1f3b6f5272b9 feat: add a README to the Helm chart
- v4.16.02026-10-06b45f7bcbbc78073adfe7022f24a50880e8400302 feat: add .well-known metadata file
- v4.15.02026-10-040feded28b8aa13a03ff722f70bf7890415b1d1e7 fix: handle missing organization and user in remove-user-from-group API
- v4.14.02026-10-03b94dce99fa1d9fd21de82e1c93b50640f9d3968f feat: open account menu on hover
- v4.13.02026-09-30c9adca039f3c24b570567e0def8d1018e9194c9f feat: add Audit provider to forward audit logs to Syslog
ZITADEL
- v4.19.42026-10-01actions: set instance ID in async execution worker context (#12730) (03a2469), closes #11985
- v4.19.32026-09-29query: index users14 by instance and org (#12830) (d378dea), closes #12826
- v4.19.22026-09-28This release fixes three security vulnerabilities. We recommend all 4.x deployments upgrade.
- v4.19.12026-09-23setup step 79 batch unique constraint owner backfill (#12803) (42cdd5d)
- v4.19.02026-09-23eventstore: omit owners on empty unique constraint inserts (#12785) (6308539), closes #12740 #12780 #12740
Casdoor
unsigned The latest release, v4.17.0, carries no signature GitHub could verify.
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ZITADEL
✓ signed The latest release, v4.19.4, carries a signature GitHub verified.
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