Prompt
What do people use instead of Auth0 for auth?
Latest observation
People usually replace Auth0 with one of these, depending on what they need:
Hosted identity providers / auth platforms
- Okta – enterprise-focused; Auth0 is actually part of Okta now, but people still compare them separately.
- Firebase Authentication – common for mobile/web apps, easy to start with.
- AWS Cognito – popular if you’re already on AWS, but can be fiddly.
- Clerk – very popular for modern web apps; nice developer experience.
- Supabase Auth – good if you’re using Supabase/Postgres.
- WorkOS – great for B2B SaaS, especially SSO/SCIM.
- Stytch – modern auth APIs, often used for passwordless or B2B.
- FusionAuth – self-hostable and flexible.
- Descope – newer low-code auth platform.
Open-source / self-hosted options
- Keycloak – one of the most common self-hosted alternatives; powerful, but heavier.
- Ory (Kratos/Hydra) – more modular, very flexible.
- Dex – often used in Kubernetes / OAuth setups.
- Zitadel – modern open-source identity platform.
- SuperTokens – developer-friendly and open source, good for app auth.
If you want to build it yourself
Some teams use:
- NextAuth / Auth.js – for Next.js apps; handles sign-in/session management but not a full identity platform.
- Passport.js – older Node.js middleware, more DIY.
Quick rule of thumb
- Fastest dev experience: Clerk, Supabase Auth, Firebase Auth
- Enterprise SSO/B2B: WorkOS, Okta, Auth0
- Self-hosted/control: Keycloak, FusionAuth, Ory, Zitadel, SuperTokens
- AWS-native: Cognito
If you want, I can also give you:
- a shortlist by use case (startup, B2B SaaS, enterprise, open source), or
- a comparison of Auth0 vs Clerk vs Keycloak vs Cognito.
Observation history
How did Obsurfable measure this prompt?
Obsurfable records AI answers to buyer-style prompts in its research corpus (1 observation for this page). Metrics are distributions over observations, not a single static ranking.
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Meta AI,
Qwen.
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