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Single sign-on (SSO)
Single sign-on (SSO) is an authentication scheme that allows a user to log in with a single ID to any of several related, yet independent, software systems. SSO supporters place emphasis on it reducing the risk of password fatigue and improvement of usability in terms of perceived corperate identity between different services of the same provider.
Conversely, single sign-off or single log-out (SLO) is the property whereby a single action of signing out terminates access to multiple software systems.
Here are 1,550 public repositories matching this topic...
The Single Sign-On Multi-Factor portal for web apps, now OpenID Certified™
docker kubernetes golang security ldap oauth2 authentication push-notifications yubikey two-factor totp sso openid-connect mfa two-factor-authentication sso-authentication 2fa multifactor webauthn passkeys
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Feb 5, 2026 - Go
The most comprehensive authentication framework for TypeScript
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Feb 5, 2026 - TypeScript
The authentication glue you need.
kubernetes security saml oauth2 authentication proxy reverse-proxy authorization sso oauth2-server oidc oauth2-client oidc-provider oidc-client saml-idp saml-sp authentik
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Feb 5, 2026 - Python
An authorization library that supports access control models like ACL, RBAC, ABAC in Golang: https://discord.gg/S5UjpzGZjN
oauth saml authentication iam acl auth authorization cas permission rbac sso oidc access-control abac authz authn cloudsecurity casbin cloudos
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Feb 1, 2026 - Go
开源、免费、轻量级 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 秘钥授权、API 参数签名
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Feb 4, 2026 - Java
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.
docker security identity oauth oauth2 cloud server oauth2-provider authorization hydra sso openid oauth2-server openid-connect oauth-provider openid-provider federation oidc hacktoberfest openid-connect-provider
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Feb 4, 2026 - Go
A reverse proxy that provides authentication with Google, Azure, OpenID Connect and many more identity providers.
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Feb 4, 2026 - Go
An open-source UI-first Identity and Access Management (IAM) / Single-Sign-On (SSO) platform with web UI supporting OAuth 2.0, OIDC, SAML, CAS, LDAP, SCIM, WebAuthn, TOTP, MFA, Face ID, RADIUS, Google Workspace, Active Directory and Kerberos
ldap oauth saml authentication iam auth radius totp sso oidc mfa scim single-sign-on authn faceid webauthn casdoor ai-gateway llm-gateway mcp-gateway
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Feb 4, 2026 - Go
ZITADEL - Identity infrastructure, simplified for you.
identity saml oauth2 authentication login authorization sso user openid-connect oidc mfa scim multitenancy 2fa fido2 passkeys
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Feb 5, 2026 - Go
🧑🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.
identity jwt saml oauth2 typescript signup authentication login email sms password authorization totp rbac sso openid-connect social-login mfa passwordless logto
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Feb 5, 2026 - TypeScript
Apereo CAS - Identity & Single Sign On for all earthlings and beyond.
java open-source aws oauth2 spring-boot authentication spring-cloud openidconnect authorization fido sso saml2 ldap-authentication spring-framework identity-provider mfa sso-authentication websso spring-webflow duosecurity
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Feb 5, 2026 - Java
Modern authentication, on your terms. Open source alternative to Auth0, Clerk, WorkOS, Stytch.
oauth jwt saml authentication iam user-management sso mfa passwordless 2fa ciam webauthn fido2 passkeys
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Feb 4, 2026 - Go
The simplest way to protect your apps with a login screen.
nginx golang middleware authentication selfhosted totp caddy sso 2fa typescipt tinyauth traefik-middleware
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Feb 5, 2026 - Go
☁️ 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)
security cloud authentication server selfhosted self-hosted reverse-proxy sso self-hosting cosmos selfhosting
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Feb 4, 2026 - JavaScript
🧰 A zero trust swiss army knife for working with X509, OAuth, JWT, OATH OTP, etc.
tls ssh security oauth jwt cryptography encryption certificate jose x509 totp sso oath jwe jws mfa security-tools
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Feb 4, 2026 - Go
Easy integration with OAuth 2.0 service providers.
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Dec 30, 2025 - PHP
Poor man's ngrok - a multi-tenant HTTP/TCP reverse tunnel solution through SSH remote port forwarding
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Feb 1, 2026 - Go
A next-gen FOSS self-hosted unified zero trust secure access platform that can operate as a remote access VPN, a ZTNA platform, API/AI/MCP gateway, a PaaS, an ngrok-alternative and a homelab infrastructure.
kubernetes tunnel ssh api-gateway paas vpn sso quic mfa remote-access abac homelab wireguard zero-trust beyondcorp policy-as-code opentelemetry ztna ai-gateway mcp-gateway
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Feb 5, 2026 - Go
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