Stellar Hosted – Managed Open Source software hosting in the EU: secure, compliant, fast.

Learn more

Open Source Authentication & SSO Providers using Prometheus

A curated collection of the best open source platforms providing authentication, Single Sign-On (SSO), and user management. using Prometheus.

Ory

A certified and battle-tested identity solution

Stars
13,702
Forks
1,153
Last commit
18 hours ago

Ory is a certified and battle-tested identity solution backed by a large open source community and trusted by Fortune 500 companies.

Open Source Alternative to:

Firebase

Authgear

Managed identity and access management for any app

Stars
1,843
Forks
116
Last commit
3 days ago

Authgear is a managed IAM platform handling authentication, SSO, and user management for B2C and B2B apps, with biometrics, MFA, and zero-trust support.

Open Source Alternative to:

Clerk

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit