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Open-source auth & identity tools. To compare with Keyring.
46 open-source auth & identity tools
Keycloak
Auth & Identity
Open Source Identity and Access Management For Modern Applications and Services
Apache-2.0vs Auth0★ 37k
Authelia
Auth & Identity
The Single Sign-On Multi-Factor portal for web apps. OpenID Certified™ and Post-Quantum Cr
Apache-2.0vs OneLogin★ 29k
Authentik
Auth & Identity
The authentication glue you need.
OSSvs Auth0★ 26k
SuperTokens
Auth & Identity
Open Source User Authentication. Build fast, maintain control, with reasonable pricing.
OSSvs Auth0★ 15k
OAuth2 Proxy
Auth & Identity
A reverse proxy that provides authentication with Google, Azure, OpenID Connect and many m
MITvs Cloudflare Zero Trust★ 15k
ZITADEL
Auth & Identity
ZITADEL - Identity infrastructure, simplified for you.
AGPL-3.0vs Auth0★ 15k
Logto
Auth & Identity
🧑🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC
MPL-2.0vs Auth0★ 15k
Casdoor
Auth & Identity
An open-source Agent-first Identity and Access Management (IAM) /LLM MCP & agent gateway a
Apache-2.0vs Auth0★ 15k
Apereo CAS
Auth & Identity
Apereo CAS - Identity & Single Sign On for all earthlings and beyond.
Apache-2.0vs Ping Identity★ 11k
Dex
Auth & Identity
OpenID Connect (OIDC) identity and OAuth 2.0 provider with pluggable connectors
Apache-2.0vs Okta★ 11k
Pocket ID
Auth & Identity
An easy-to-use OpenID Connect Certified™ and OAuth 2.0 provider that lets users sign in to
BSD-2-Clausevs Auth0★ 9.4k
Hanko
Auth & Identity
Open source, privacy-first, and built to scale. Hanko is the fastest way you integrate pas
OSSvs Auth0★ 9k
Tinyauth
Auth & Identity
The tiniest OpenID Certified™ authorization and authentication server you have ever seen.
AGPL-3.0★ 8.3k
Ory Hydra
Auth & Identity
Internet-scale OpenID Certified™ OpenID Connect and OAuth2.1 provider that integrates with
Apache-2.0vs Auth0★ 18k
SpiceDB
Auth & Identity
Open Source, Google Zanzibar-inspired database for scalably storing and querying fine-grai
Apache-2.0vs Oso★ 7.1k
Hexclave
Auth & Identity
Deploy your frontend, backend, and database together with Hexclave Deploy. Automatic scali
OSSvs Auth0★ 6.9kLLDAP
Auth & Identity
Light LDAP implementation
GPL-3.0vs JumpCloud★ 6.5k
Kanidm
Auth & Identity
Kanidm: A simple, secure, and fast identity management platform
MPL-2.0vs JumpCloud★ 5.4k
Ory Kratos
Auth & Identity
Headless cloud-native authentication and identity management written in Go. Scales to a bi
Apache-2.0vs Auth0★ 14k
Unkey
API Tools
The Developer Platform for Modern APIs
OSSvs Zuplo★ 5.5k
Aegis Authenticator
Auth & Identity
A free, secure and open source app for Android to manage your 2-step verification tokens.
GPL-3.0vs Microsoft Authenticator★ 13k
Pomerium
Security
Pomerium is an identity and context-aware access proxy.
Apache-2.0vs Cloudflare Zero Trust★ 5k
2FAuth
Auth & Identity
A Web app to manage your Two-Factor Authentication (2FA) accounts and generate their secur
AGPL-3.0vs Microsoft Authenticator★ 4.2k
Defguard
Networking & VPN
Zero-Trust access management with true WireGuard® 2FA/MFA
OSSvs Tailscale★ 2.9k
VoidAuth
Auth & Identity
Single Sign-On for Your Self-Hosted Universe
AGPL-3.0vs Auth0★ 2.9k
FreeRADIUS
Networking & VPN
FreeRADIUS - A multi-protocol policy server.
GPL-2.0★ 2.6k
Supabase Auth
Auth & Identity
A JWT based API for managing users and issuing JWT tokens
MITvs Auth0★ 2.6k
Caddy Security
Auth & Identity
🔐 Authentication, Authorization, and Accounting (AAA) App and Plugin for Caddy v2. 💎 Imp
Apache-2.0★ 2.2k
Authgear
Auth & Identity
Open source Auth0/Keycloak alternative. Passkeys, SSO, MFA, passwordless, biometric login.
Apache-2.0vs Auth0★ 2.1k
Authorizer
Auth & Identity
Your data, your control. Fully open source, authentication and authorization. No lock-ins.
Apache-2.0vs Auth0★ 2.1kXXL-SSO
Auth & Identity
A distributed single-sign-on framework.（单点登录框架XXL-SSO）
GPL-3.0★ 2k
MaxKey
Auth & Identity
Dromara MaxKey 🗝️ SSO ,Leading-Edge IAM-IDaas(Identity and Access Management) Product , U
Apache-2.0vs OneLogin★ 2k
GoTrue
Auth & Identity
An JWT based API for managing users and issuing JWT tokens.
MITvs Auth0★ 4.5k
privacyIDEA
Auth & Identity
:closed_lock_with_key: multi factor authentication system (2FA, MFA, OTP, FIDO Server)
AGPL-3.0vs Duo Security★ 1.8k
2FAS Auth
Auth & Identity
Source code for 2FAS Auth Android app
GPL-3.0vs Microsoft Authenticator★ 1.5kRauthy
Auth & Identity
Single Sign-On Identity & Access Management via OpenID Connect, OAuth 2, PAM
Apache-2.0vs Auth0★ 1.4k
FreeIPA
Auth & Identity
Mirror of FreeIPA, an integrated security information management solution
GPL-3.0vs Microsoft Entra ID★ 1.3k
SimpleSAMLphp
Auth & Identity
SimpleSAMLphp is an application written in native PHP that deals with authentication.
LGPL-2.1vs OneLogin★ 1.1k
mod_auth_openidc
Auth & Identity
OpenID Certified™ OpenID Connect and FAPI 2 Relying Party module for Apache HTTPd
Apache-2.0★ 1.1k
AuthMeReloaded
Auth & Identity
The best authentication plugin for the Bukkit/Spigot API!
GPL-3.0★ 885
OpenAM
Auth & Identity
OpenAM is an open-source access management solution for identity authentication, authoriza
OSSvs Ping Identity★ 898
WSO2 Identity Server
Auth & Identity
Welcome to the WSO2 Identity Server source code! For info on working with the WSO2 Identit
Apache-2.0vs Auth0★ 882
Authenticate to Google Cloud
CI/CD & DevOps
A GitHub Action for authenticating to Google Cloud.
Apache-2.0★ 1.4k
Frontier
Auth & Identity
Frontier is an all-in-one user management platform that provides identity, access and bill
Apache-2.0vs WorkOS★ 345
SSOReady
Auth & Identity
Open-source dev tools for enterprise SSO. Ship SAML + SCIM support this afternoon.
MITvs WorkOS★ 1.5k
Hasura Backend Plus
Auth & Identity
🔑Auth and 📦Storage for Hasura. The quickest way to get Auth and Storage working for your
MITvs Auth0★ 1.2k