SuperTokens
Sign-in and user management for apps, an alternative to Auth0 and Firebase Auth.
SaaS: YesClosed product: Yes
- GitHub stars
- 15.3k
- Deployment
- Docker
- Login/SSO
- OIDC
Open-source alternatives to Clerk
Clerk in the IT, security & identity category. These are the open alternatives we recommend looking at.
Logto
Authentication and authorisation infrastructure for SaaS and AI apps, with SSO and multi-tenancy.
MPL-2.0Weak copyleft
SaaS: YesClosed product: Yes, with conditions
- GitHub stars
- 14.7k
- Deployment
- Docker
- Login/SSO
- OIDC, SAML
Authgear
Authentication platform with passkeys, SSO and two-factor for SaaS and mobile apps.
Apache-2.0Permissive
SaaS: YesClosed product: Yes
- GitHub stars
- 2.1k
- Deployment
- Docker
- Login/SSO
- OIDC, SAML
This is guidance, not legal advice (inte juridisk rådgivning). Check with a lawyer before deciding.
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