Casdoor alternatives: 4 apps ranked by verified data
Common reasons people leave Casdoor: documentation is uneven, and admin UI exposes many settings that can overwhelm. We ranked 4 alternatives by how directly each one replaces Casdoor, then by reviews, real visits and how recently each app's facts were checked against its own website. Keycloak currently ranks first.
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Show all 4 alternativesThe best Casdoor alternative for…
The highest-ranked app in this list for each need.
Best Casdoor alternative for most people
KeycloakMore mature open-source server with a large enterprise user base.
Best Casdoor alternative for a free option
ZitadelOpen-source, multi-tenant identity with a more polished cloud service.
Best Casdoor alternative for open source
authentikSelf-hosted identity provider with a strong community and proxy features.
Best Casdoor alternative for self-hosting
LogtoDeveloper-friendly open-source auth with a cleaner admin experience.
Best Casdoor alternative for Mac
KeycloakMore mature open-source server with a large enterprise user base.
Best Casdoor alternative for Windows
KeycloakMore mature open-source server with a large enterprise user base.
Best Casdoor alternative for Linux
KeycloakMore mature open-source server with a large enterprise user base.
Best Casdoor alternative for working in the browser
ZitadelOpen-source, multi-tenant identity with a more polished cloud service.
Casdoor alternatives: common questions
What is the best alternative to Casdoor?
Keycloak ranks first right now. More mature open-source server with a large enterprise user base. Zitadel and authentik follow it in our ranking.
Is there a free alternative to Casdoor?
Yes. Keycloak (open source), Zitadel (open source), authentik (open source) and Logto (open source) have a free option. Check each app's verified facts for current plan limits.
Is there an open-source alternative to Casdoor?
Yes: Keycloak, Zitadel, authentik and Logto. Keycloak, Zitadel and authentik can also be self-hosted.
Which Casdoor alternatives work on Linux?
Keycloak runs on Linux.
Why do people switch from Casdoor?
The complaints we hear most: documentation is uneven; admin UI exposes many settings that can overwhelm; smaller Western community than Keycloak.
How is this list ranked?
Every app is scored with the same published formula: how directly it replaces Casdoor, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.