Overview Logto is an open-source authentication and authorization infrastructure designed for modern SaaS and AI applications, built on OpenID Connect (OIDC) and OAuth 2.1 standards. It provides a complete identity solution with sign-in/up experiences, user management, multi-tenancy, single sign-on (SSO), and role-based access control (RBAC) — all accessible through simple SDKs and APIs. Logto aims […]

Overview Casdoor is an open-source Agent-first Identity and Access Management (IAM) platform with a web UI that supports OAuth, OIDC, SAML, CAS, LDAP, SCIM, WebAuthn, TOTP, and MFA. What makes Casdoor unique is its focus on AI agent integration — it functions as an agent gateway for LLM applications, supporting MCP (Model Context Protocol) and […]

Overview ZITADEL is an open-source identity and access management platform built for teams that need more than basic authentication. It provides hardened identity infrastructure as a turnkey solution, handling everything from user registration and password management to complex multi-tenant authorization with role-based access control (RBAC). ZITADEL is written in Go and designed for high security, […]

Overview authentik is an open-source Identity Provider (IdP) and Single Sign-On (SSO) platform built with security at the forefront of every component. It serves as a flexible authentication glue for organizations, supporting all major authentication and authorization protocols including OAuth2/OIDC, SAML, and LDAP. Unlike single-protocol solutions, authentik can act simultaneously as an identity provider, an […]

Overview Authelia is an open-source authentication and authorization server providing two-factor authentication and single sign-on (SSO) for web applications via a web portal. It acts as a companion for reverse proxies like Nginx, Traefik, and HAProxy, adding a robust identity layer in front of your services. Authelia is OpenID Certified™ as an OpenID Connect 1.0 […]