Switching
CIAM alternatives.
These pages answer one question the open web answers badly: I am on X, it is failing me for a specific reason, what actually fixes it. Each page ranks the replacements by the pain each one removes, from the same matrix as the rest of the portal. No vendor money, ever.
- Switching from Auth0
Auth0 alternatives
The bill scales steeply above 100k MAU and Actions create lock-in.
6 picks · ranked on best replacement by pain point · last verified 2026-06-06
- Switching from Firebase
Firebase Authentication alternatives
B2C only, no real B2B Organizations or Enterprise SSO, GCP-coupled.
5 picks · ranked on fixing Firebase's ceiling · last verified 2026-06-06
- Switching from Microsoft Entra External ID
Microsoft Entra External ID (formerly Azure AD B2C) alternatives
Azure AD B2C is retiring, every tenant is in forced migration.
5 picks · ranked on migration targets, split into stay on Microsoft vs leave Microsoft · last verified 2026-06-06
- Switching from Amazon Cognito
Amazon Cognito alternatives
Low bill, but the AWS-native developer-experience gap costs engineering time.
5 picks · ranked on escaping the AWS-native developer-experience gap · last verified 2026-06-06
- Self-hosting
Open source CIAM alternatives
Kill per-MAU cost and own your data, if you can staff the operations.
6 picks · ranked on job-to-be-done, because OSS choices split by operational profile · last verified 2026-06-06
How we pick alternatives
Every page declares the one axis it ranks on, and the order follows that axis and the capability matrix, nothing else. We treat every vendor identically, score them on the same matrix, and link each pick to its internal profile rather than the vendor's site. No sponsored placements, no affiliate links, no paid promotion. See the full methodology for how that works.
Not sure where to start?
Answer six questions and the vendor selector narrows the field to the platforms that fit your shape.
Open the vendor selectorWant a strict 1-v-1?
The head-to-heads put two vendors side by side on the full matrix, pricing at four MAU bands, and an explicit verdict.
See the comparisons