Repository Index

Open Source Identity and Access Management For Modern Applications and Services

• keycloak
• oidc
• saml

The Single Sign-On Multi-Factor portal for web apps. OpenID Certified™ and Post-Quantum Cryptography Ready.

• totp
• ldap
• sso-authentication
• two-factor-authentication

The authentication glue you need.

• saml
• saml-idp
• saml-sp
• oauth2

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

ZITADEL - Identity infrastructure, simplified for you.

• saml
• authentication
• authorization
• login

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

• authentication
• session-management
• login
• supertokens

🧑‍🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.

• authentication
• authorization
• identity
• openid-connect

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

• oidc
• sso
• oauth
• iam

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

Apereo CAS - Identity & Single Sign On for all earthlings and beyond.

• sso-authentication
• authentication
• authorization
• java

OpenID Connect (OIDC) identity and OAuth 2.0 provider with pluggable connectors

• oidc
• kubernetes
• idp
• identity-provider

Modern authentication, on your terms. Open source alternative to Auth0, Clerk, WorkOS, Stytch.

• passkeys
• webauthn
• fido2
• authentication

The tiniest OpenID Certified™ authorization and authentication server you have ever seen.

• 2fa
• authentication
• caddy
• golang

↥ ↥ ↥ Follow for updates An RBAC permission management system based on Spring Cloud 2025, Spring Boot 4, and OAuth2.

• oauth2
• spring-boot
• spring-cloud
• spring-cloud-alibaba

☁️ The Most Secure and Easy Selfhosted Home Server. Take control of your data and privacy without sacrificing security and stability (Authentication, anti-DDOS, anti-bot)

• authentication
• cloud
• cosmos
• reverse-proxy

Kanidm: A simple, secure, and fast identity management platform

• identity
• identity-management
• idm
• rust

An JWT based API for managing users and issuing JWT tokens.

• authentication
• jwt
• production

OpenID Certified™ OAuth 2.0 Authorization Server implementation for Node.js

• openid
• oidc
• openid-provider
• openid-connect

an SSO and OAuth / OIDC login solution for Nginx using the auth_request module

• nginx
• nginx-proxy
• sso
• oauth2

Single Sign-On for Your Self-Hosted Universe

• authentication
• docker
• oidc
• oidc-provider

Zero-Trust access management with true WireGuard® 2FA/MFA

• multifactor-authentication
• openid
• openid-connect
• vpn

A lightweight LDAP server for development, home use, or CI

• golang
• go
• ldap
• ldap-server

数字底座是一款面向大型政府、企业数字化转型，基于身份认证、组织架构、岗位职务、应用系统、资源角色、数据目录、安全控制等功能构建的统一且安全的管理支撑平台。数字底座基于三员管理模式，具备微服务、多租户、容器化和国产化，支持用户利用代码生成器快速构建自己的业务应用，同时可关联诸多成熟且好用的内部生态应用。

• backend
• organization
• sso-authentication
• springboot3

A JWT based API for managing users and issuing JWT tokens

• authentication
• auth
• authorization
• jwt