SSO & Authentication Software Directory

Tailscale

The easiest, most secure way to use WireGuard and 2FA.

32.4K stars open source

SSO & Authentication VPN & Firewalls

Next Auth

Authentication for the Web.

28.3K stars open source

SSO & Authentication

Authelia

The Single Sign-On Multi-Factor portal for web apps, now OpenID Certified™

28K stars open source

SSO & Authentication Security

Netbird

Connect your devices into a secure WireGuard®-based overlay network with SSO, MFA and granular access controls.

25.8K stars open source

SSO & Authentication VPN & Firewalls

Devise

Flexible authentication solution for Rails with Warden.

24.4K stars open source

Web Development SSO & Authentication

Authentik

The authentication glue you need.

21.9K stars open source

SSO & Authentication Knowledge Bases & RAG

Teleport

Certificate authority and access plane for SSH, Kubernetes, web applications, and databases.

20.5K stars open source

SSO & Authentication Tunnel & Remote Access

Casbin

Apache Casbin: an authorization library that supports access control models like ACL, RBAC, ABAC.

20.2K stars open source

SSO & Authentication SIEM & Threat Detection

Sa Token

✨ 开源、免费、一站式 Java 权限认证框架，让鉴权变得简单、优雅！—— 登录认证、权限认证、分布式 Session 会话、微服务网关鉴权、SSO 单点登录、OAuth2.0 统一认证、jwt 集成、API Key 秘钥授... Read More

18.9K stars open source

SSO & Authentication Developer Tools

Supertokens Core

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

15.1K stars open source

SSO & Authentication Backend as a Service

Oauth2 Proxy

A reverse proxy that provides authentication with Google, Azure, OpenID Connect and many more identity providers.

14.5K stars open source

SSO & Authentication Load Balancers & Proxy

Zitadel

ZITADEL - Identity infrastructure, simplified for you.

14K stars open source

SSO & Authentication Backend as a Service

Cert Manager

Automatically provision and manage TLS certificates in Kubernetes

13.9K stars open source

SSO & Authentication Container Management

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, W... Read More

13.8K stars open source

AI Agents SSO & Authentication

Aegis

A free, secure and open source app for Android to manage your 2-step verification tokens.

12.6K stars open source

AI Agents SSO & Authentication Compliance & Governance

Logto

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

12.1K stars open source

SSO & Authentication Backend as a Service

Jwt Auth

🔐 JSON Web Token Authentication for Laravel & Lumen

11.5K stars open source

Web Development SSO & Authentication

Cas

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

11.3K stars open source

SSO & Authentication Backend as a Service

Dex

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

10.9K stars open source

E-commerce Platforms BI Dashboards SSO & Authentication

Django Allauth

Integrated set of Django applications addressing authentication, registration, account management as well as 3rd party (social) account authentication. 🔁 Mirror of https://codeber... Read More

10.3K stars open source

Web Development SSO & Authentication

Git Credential Manager

Secure, cross-platform Git credential storage with authentication to GitHub, Azure Repos, and other popular Git hosting services.

9K stars open source

Code Editors & IDEs SSO & Authentication

Hanko

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

8.9K stars open source

SSO & Authentication

Nebular

:boom: Customizable Angular UI Library based on Eva Design System :new_moon_with_face::sparkles:Dark Mode

8.1K stars open source

CSS Frameworks & UI Kits SSO & Authentication

Omniauth

OmniAuth is a flexible authentication system utilizing Rack middleware.

8.1K stars open source

SSO & Authentication Terminal & CLI Tools

SSO & Authentication Software & Alternatives

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