mfa

zitadel

+69

ZITADEL - Identity infrastructure, simplified for you.

logto-io/logto

+58

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

casdoor

+56

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

authelia

+51

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

octelium

+23

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.

sebadob/rauthy

+14

Single Sign-On Identity & Access Management via OpenID Connect, OAuth 2, PAM

authgear-server

+10

Open source Auth0/Keycloak alternative. Passkeys, SSO, MFA, passwordless, biometric login. Self-hosted or cloud. Enterprise-ready for SaaS & mobile apps

GlobalProtect-openconnect

+8

A GlobalProtect VPN client for Linux and macOS, written in Rust, based on OpenConnect and Tauri, supports SSO with MFA, YubiKey, and client certificate authentication, etc.

hanko

+6

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