Auth & Identity tools. Ranked by real activity.

Keycloak

Auth & Identity

Open Source Identity and Access Management For Modern Applications and Services

Authelia

Auth & Identity

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

Authentik

Auth & Identity

The authentication glue you need.

SuperTokens

Auth & Identity

Open Source User Authentication. Build fast, maintain control, with reasonable pricing.

OAuth2 Proxy

Auth & Identity

A reverse proxy that provides authentication with Google, Azure, OpenID Connect and many m

ZITADEL

Auth & Identity

ZITADEL - Identity infrastructure, simplified for you.

Logto

Auth & Identity

🧑‍🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC

Casdoor

Auth & Identity

An open-source Agent-first Identity and Access Management (IAM) /LLM MCP & agent gateway a

Aegis Authenticator

Auth & Identity

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

Apereo CAS

Auth & Identity

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

Dex

Auth & Identity

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

Pocket ID

Auth & Identity

An easy-to-use OpenID Connect Certified™ and OAuth 2.0 provider that lets users sign in to

Hanko

Auth & Identity

Open source, privacy-first, and built to scale. Hanko is the fastest way you integrate pas

Tinyauth

Auth & Identity

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

SpiceDB

Auth & Identity

Open Source, Google Zanzibar-inspired database for scalably storing and querying fine-grai

Ory Hydra

Auth & Identity

Internet-scale OpenID Certified™ OpenID Connect and OAuth2.1 provider that integrates with

Hexclave

Auth & Identity

Deploy your frontend, backend, and database together with Hexclave Deploy. Automatic scali

Light LDAP implementation

Unkey

API Tools

The Developer Platform for Modern APIs

Kanidm

Auth & Identity

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

Ory Kratos

Auth & Identity

Headless cloud-native authentication and identity management written in Go. Scales to a bi

Pomerium

Security

Pomerium is an identity and context-aware access proxy.

2FAuth

Auth & Identity

A Web app to manage your Two-Factor Authentication (2FA) accounts and generate their secur

VoidAuth

Auth & Identity

Single Sign-On for Your Self-Hosted Universe

Defguard

Networking & VPN

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

FreeRADIUS

Networking & VPN

FreeRADIUS - A multi-protocol policy server.

Supabase Auth

Auth & Identity

A JWT based API for managing users and issuing JWT tokens

Caddy Security

Auth & Identity

🔐 Authentication, Authorization, and Accounting (AAA) App and Plugin for Caddy v2. 💎 Imp

Authgear

Auth & Identity

Open source Auth0/Keycloak alternative. Passkeys, SSO, MFA, passwordless, biometric login.

Authorizer

Auth & Identity

Your data, your control. Fully open source, authentication and authorization. No lock-ins.

A distributed single-sign-on framework.（单点登录框架XXL-SSO）

MaxKey

Auth & Identity

Dromara MaxKey 🗝️ SSO ,Leading-Edge IAM-IDaas(Identity and Access Management) Product , U

privacyIDEA

Auth & Identity

:closed_lock_with_key: multi factor authentication system (2FA, MFA, OTP, FIDO Server)

GoTrue

Auth & Identity

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

2FAS Auth

Auth & Identity

Source code for 2FAS Auth Android app

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

FreeIPA

Auth & Identity

Mirror of FreeIPA, an integrated security information management solution

SimpleSAMLphp

Auth & Identity

SimpleSAMLphp is an application written in native PHP that deals with authentication.

mod_auth_openidc

Auth & Identity

OpenID Certified™ OpenID Connect and FAPI 2 Relying Party module for Apache HTTPd

AuthMeReloaded

Auth & Identity

The best authentication plugin for the Bukkit/Spigot API!

OpenAM

Auth & Identity

OpenAM is an open-source access management solution for identity authentication, authoriza

WSO2 Identity Server

Auth & Identity

Welcome to the WSO2 Identity Server source code! For info on working with the WSO2 Identit

Authenticate to Google Cloud

CI/CD & DevOps

A GitHub Action for authenticating to Google Cloud.

Frontier

Auth & Identity

Frontier is an all-in-one user management platform that provides identity, access and bill

SSOReady

Auth & Identity

Open-source dev tools for enterprise SSO. Ship SAML + SCIM support this afternoon.

Hasura Backend Plus

Auth & Identity

🔑Auth and 📦Storage for Hasura. The quickest way to get Auth and Storage working for your

CLEAR

Auth & Identity

Biometric identity verification service for travel, venues and online platforms

Jumio

Auth & Identity

Identity verification and KYC platform with document and biometric checks