Authentication & Security

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tailscale/tailscale
The easiest, most secure way to use WireGuard and 2FA.
Stars
38.7k
Forks
3.4k
Language
Go
License
BSD-3-Clause
Last commit
updated Nov 2026
wireguardoauthsso2favpn+1
GitHub Details
authelia/authelia
The Single Sign-On Multi-Factor portal for web apps. OpenID Certified™ and Post-Quantum Cryptography Ready.
Stars
29.6k
Forks
1.5k
Language
Go
License
Apache-2.0
Last commit
updated Nov 2026
totpldapsso-authenticationtwo-factor-authenticationdocker+3
GitHub Details
apache/casbin
Apache Casbin: an authorization library that supports access control models like ACL, RBAC, ABAC.
Stars
20.5k
Forks
1.8k
Language
Go
License
Apache-2.0
Last commit
updated Nov 2026
casbinaccess-controlauthorizationrbacabac+3
GitHub Details
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.
Stars
17.6k
Forks
1.6k
Language
Go
License
Apache-2.0
Last commit
updated Jul 2026
hydraoauth2openid-connectdockerserver+3
GitHub Details
zitadel/zitadel
ZITADEL - Identity infrastructure, simplified for you.
Stars
15.5k
Forks
1.4k
Language
Go
License
AGPL-3.0
Last commit
updated Nov 2026
samlauthenticationauthorizationloginoidc+3
GitHub Details
oauth2-proxy/oauth2-proxy
A reverse proxy that provides authentication with Google, Azure, OpenID Connect and many more identity providers.
Stars
15.3k
Forks
2.3k
Language
Go
License
MIT
Last commit
updated Nov 2026
cloud-infrastructureoauth2-proxysslssohacktoberfest+3
GitHub Details
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
Stars
14.8k
Forks
1.9k
Language
Go
License
Apache-2.0
Last commit
updated Nov 2026
oidcssooauthiamsaml+3
GitHub Details
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.
Stars
13.9k
Forks
1.2k
Language
Go
License
Apache-2.0
Last commit
updated Jul 2026
identityidentity-managementloginprofile-managementregistration+3
GitHub Details
open-policy-agent/opa
Open Policy Agent (OPA) is an open source, general-purpose policy engine.
Stars
12.4k
Forks
1.7k
Language
Go
License
Apache-2.0
Last commit
updated Nov 2026
opapolicydeclarativejsoncompliance+3
GitHub Details
dexidp/dex
OpenID Connect (OIDC) identity and OAuth 2.0 provider with pluggable connectors
Stars
11.2k
Forks
2k
Language
Go
License
Apache-2.0
Last commit
updated Nov 2026
oidckubernetesidpidentity-providerhacktoberfest
GitHub Details
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.
Stars
10.1k
Forks
355
Language
Go
License
BSD-2-Clause
Last commit
updated Nov 2026
idpoidcpasskeysself-hosted
GitHub Details
teamhanko/hanko
Modern authentication, on your terms. Open source alternative to Auth0, Clerk, WorkOS, Stytch.
Stars
9.1k
Forks
1k
Language
Go
License
AGPL-3.0
Last commit
updated Nov 2026
passkeyswebauthnfido2authenticationpasswordless+3
GitHub Details

Authentication & Security

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