1.pocket-id / pocket-id
The most user-friendly OpenID Connect Certified™ and OAuth 2.0 provider that lets users sign in to your applications with passkeys.
+2,338 stars
from 7,664 · score 7.76
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Ranked by Attention Score: stars gained over the last 180 complete days
9 repositories by Attention Score · May 9, 2026 – Nov 4, 2026 (UTC)
2.authelia / authelia
The Single Sign-On Multi-Factor portal for web apps. OpenID Certified™ and Post-Quantum Cryptography Ready.
- totp
- ldap
- sso-authentication
- two-factor-authentication
- docker
- kubernetes
- +14 more
+2,000 stars
from 27,514 · score 7.60
3.zitadel / zitadel
ZITADEL - Identity infrastructure, simplified for you.
- saml
- authentication
- authorization
- login
- oidc
- sso
- +11 more
+1,922 stars
from 13,586 · score 7.56
4.casdoor / casdoor
An open-source Agent-first Identity and Access Management (IAM) /LLM MCP & agent gateway and auth server with web UI supporting OpenClaw, MCP, OAuth, OIDC, SAML, CAS, LDAP, SCIM, WebAuthn, TOTP, MFA, Face ID, Google Workspace, Azure AD
+1,322 stars
from 13,435 · score 7.19
5.ory / hydra
Internet-scale OpenID Certified™ OpenID Connect and OAuth2.1 provider that integrates with your user management through headless APIs. Solve OIDC/OAuth2 user cases over night. Consume as a service on Ory Network or self-host. Trusted by OpenAI and many others for scale and security. Written in Go.
- hydra
- oauth2
- openid-connect
- docker
- server
- security
- +14 more
+588 stars
from 17,059 · score 6.38
6.dexidp / dex
OpenID Connect (OIDC) identity and OAuth 2.0 provider with pluggable connectors
- oidc
- kubernetes
- idp
- identity-provider
- hacktoberfest
+494 stars
from 10,739 · score 6.20
7.ory / kratos
Headless cloud-native authentication and identity management written in Go. Scales to a billion+ users. Replace Homegrown, Auth0, Okta, Firebase with better UX and DX. Passkeys, Social Sign In, OIDC, Magic Link, Multi-Factor Auth, SMS, SAML, TOTP, and more. Runs everywhere, runs best on Ory Network.
- identity
- identity-management
- user-management
- users
- user
- login
- +5 more
+409 stars
from 13,539 · score 6.02
8.leodip / goiabada
Goiabada is an OAuth2 / OpenID Connect server written in Go.
- identity-management
- oauth2
- openid-connect
- user-management
- authentication
- authorization
- +7 more
+16 stars
from 188 · score 2.83
+11 stars
from 39 · score 2.48