Best Self-hosted Identity & Access Management (IAM) tools in 2026
37 self-hosted open source alternatives in this category
See also:
Certificates, PKI & TLS AutomationNetwork Security (VPN, Firewall, WAF)Secrets, Passwords & VaultsSSO & Federated Identity (OIDC/SAML)Threat Detection, SIEM & Incident ResponseVulnerability Management, Compliance & Audit37 services found

PocketBase
Lightweight open-source realtime backend with embedded SQLite
Open-source Go backend providing embedded SQLite, realtime (SSE) subscriptions, auth (JWT/OAuth2), file storage, admin UI and REST-style APIs for web and mobile apps.
Keycloak
Open-source identity and access management with SSO
Keycloak is an open-source IAM server providing single sign-on, user federation, and centralized authentication and authorization using OIDC, OAuth 2.0, and SAML.

Authelia
Self-hosted IAM with SSO and multi-factor authentication
Authelia is an open-source IAM and authentication server providing SSO, MFA, and access control for web apps, with OpenID Connect/OAuth 2.0 and reverse-proxy integration.
Infisical
Open-source platform for secrets, PKI certificates, and privileged access
Infisical is an open-source platform to manage and deliver app secrets, certificates (PKI), SSH credentials, and encryption keys across teams and infrastructure.

authentik
Open-source Identity Provider (IdP) for SSO, OIDC, and SAML
Open-source IdP delivering SSO, OAuth2/OIDC, SAML2, LDAP, RADIUS, MFA, WebAuthn, conditional access and application-proxy capabilities for self-hosted deployments.

Teleport
Identity-aware access proxy for infrastructure and internal apps
Secure access platform for servers, Kubernetes, databases, desktops, and web apps with SSO/MFA, short-lived certificates, and full session auditing.

OAuth2 Proxy
Reverse proxy and middleware for OAuth2/OIDC authentication
OAuth2 Proxy is a reverse proxy and middleware that protects web apps with OAuth2/OIDC login and forwards authenticated user identity to upstream services.
ZITADEL
API-first identity and access management platform for applications
ZITADEL is an open source IAM/CIAM platform providing SSO, MFA, OIDC/OAuth2, SAML, user management, and multi-tenant organizations with audit logging.

Casdoor
UI-first IAM and SSO platform for modern authentication
Casdoor is an open-source, UI-first IAM/SSO platform supporting OAuth 2.0, OIDC, SAML, LDAP, SCIM, WebAuthn and MFA, with an admin web UI and SDKs.

Logto
Authentication and authorization platform for apps and APIs
Open-source authentication and authorization infrastructure with OIDC/OAuth 2.1, SAML SSO, multi-tenancy, MFA, and RBAC for SaaS and AI apps.
Tinyauth
Lightweight authentication middleware for protecting web apps
Tinyauth is a lightweight auth middleware that adds a login screen, OAuth, or LDAP authentication in front of your apps via common reverse proxies.
Pocket ID
A passkey-only OpenID Connect identity provider
Pocket ID is a simple self-hosted OpenID Connect (OIDC) provider that lets users sign in to apps using passkeys instead of passwords.

Warpgate
Transparent bastion and PAM for SSH, HTTPS, MySQL and PostgreSQL
Self-hosted transparent bastion host and PAM for SSH, HTTPS, MySQL and Postgres with RBAC, session recording, and SSO/2FA—no client-side software required.

LLDAP
Lightweight LDAP authentication server with a web UI
LLDAP is a lightweight LDAP server for authentication and user management, providing a simplified LDAP interface, a web admin UI, and SQLite/MySQL/PostgreSQL backends.
Cosmos Cloud
Security-first self-hosting platform with reverse proxy, SSO, and apps
Cosmos Cloud is a security-focused self-hosting platform that provides an app store, reverse proxy with automatic HTTPS, SSO/MFA, container management, backups, and monit...

Pomerium
Identity- and context-aware access proxy for zero trust access
Pomerium is an identity-aware access proxy that provides zero trust, per-request authorization to internal web apps and services without a traditional VPN.

Kanidm
Simple, secure identity management and SSO provider
Kanidm is a secure identity management platform providing SSO, passkeys (WebAuthn), and integrations like OAuth2/OIDC, RADIUS, and LDAP gateway for legacy apps.
Cerbos
Context-aware authorization and access control policy engine
Cerbos is a scalable, language-agnostic authorization layer for defining and evaluating context-aware access control policies via a dedicated Policy Decision Point (PDP)...

2FAuth
Web-based TOTP/HOTP authenticator and 2FA account manager
Open-source web app to manage TOTP/HOTP 2FA accounts: scan QR codes, generate one-time codes, import/export tokens, and protect access with WebAuthn and optional encrypti...
GLAuth
Lightweight LDAP authentication server with pluggable backends
GLAuth is a lightweight LDAP/LDAPS authentication server for development, CI, and homelabs, supporting file, S3, SQL, or LDAP proxy backends and optional 2FA.

Defguard
Zero-trust WireGuard VPN with protocol-level MFA and integrated SSO
Enterprise-grade zero-trust access management platform providing WireGuard VPN with true protocol-level 2FA/MFA, plus integrated OpenID Connect SSO and user/device contro...
VoidAuth
Self-hosted SSO and user management with OpenID Connect and ForwardAuth
VoidAuth is a self-hosted SSO provider with OpenID Connect, ForwardAuth proxy auth, and built-in user and group management plus MFA and passkeys.

TeamPass
Collaborative on-prem password management with RBAC and encryption.
On-prem password manager enabling secure sharing and fine-grained access control over credentials.

Authgear
Identity and authentication platform for apps and APIs
Open-source Auth0/Clerk/Firebase Auth alternative with passkeys, MFA, SSO (OIDC/SAML), user management portal, and extensible auth flows for web and mobile apps.

Databunker
Self-hosted vault for tokenizing and encrypting sensitive records
Databunker is a self-hosted vault that tokenizes and encrypts PII/PHI/KYC/PCI data, providing a secure API, consent management, and audit trails for compliance.


Mozilla Accounts (FxA)
Account and authentication service for Mozilla products
Mozilla Accounts (FxA) is an account and authentication service used by Mozilla clients, providing login, session management, and account-related APIs for Mozilla product...
Melody Auth
OAuth 2.0 and authentication server for Cloudflare Workers or Node.js
Turnkey OAuth 2.0/OIDC authentication system with admin panel, REST APIs, RBAC, MFA, social login, and flexible deployment on Cloudflare Workers or Node.js.
UniFi Voucher Site
Generate and manage UniFi guest WiFi vouchers
Web app to create, print, email, and manage UniFi guest vouchers with OIDC support, kiosk mode, PDF/thermal printing, and a REST API. Deployable via Docker.
Jauth
Lightweight TLS reverse proxy with SSH and Telegram authorization
Single-binary TLS reverse proxy for self-hosted apps that provides SSH- and Telegram-based authorization, simple SSO, Let's Encrypt support and whitelist access control.
Guardian
Plex session monitoring and device access control platform
Open-source companion app for Plex Media Server to monitor live streams, enforce per-user device access, and automate session blocking with notifications and schedules.