Self-hosted Identity & Access Management (IAM) tools

37 open source alternatives in this category

37 services found

PocketBase logo

PocketBase

Lightweight open-source realtime backend with embedded SQLite

60.3k
3.6k
Last commit

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.

MITActively maintained
Alternative to:
PocketBase Cloud logo
PocketBase Cloud
+17
Keycloak logo

Keycloak

Open-source identity and access management with SSO

35.9k
8.7k
Last commit

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.

Apache-2.0Actively maintained
Alternative to:
Okta logo
Okta
+19
Infisical logo

Infisical

Open-source platform for secrets, PKI certificates, and privileged access

28.4k
2.2k
Last commit

Infisical is an open-source platform to manage and deliver app secrets, certificates (PKI), SSH credentials, and encryption keys across teams and infrastructure.

Actively maintained
Alternative to:
HashiCorp Vault logo
HashiCorp Vault
+9
Authelia logo

Authelia

Self-hosted IAM with SSO and multi-factor authentication

28.4k
1.4k
Last commit

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.

Apache-2.0Actively maintained
Alternative to:
Auth0 logo
Auth0
+16
authentik logo

authentik

Open-source Identity Provider (IdP) for SSO, OIDC, and SAML

22.5k
1.7k
Last commit

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

Actively maintained
Alternative to:
Okta logo
Okta
+19
Teleport logo

Teleport

Identity-aware access proxy for infrastructure and internal apps

20.7k
2.1k
Last commit

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

AGPL-3.0Actively maintained
Alternative to:
Twingate logo
Twingate
+16

OAuth2 Proxy

Reverse proxy and middleware for OAuth2/OIDC authentication

14.8k
2.2k
Last commit

OAuth2 Proxy is a reverse proxy and middleware that protects web apps with OAuth2/OIDC login and forwards authenticated user identity to upstream services.

MITActively maintained
Alternative to:
Cloudflare Access logo
Cloudflare Access
+14
ZITADEL logo

ZITADEL

API-first identity and access management platform for applications

14.6k
1.2k
Last commit

ZITADEL is an open source IAM/CIAM platform providing SSO, MFA, OIDC/OAuth2, SAML, user management, and multi-tenant organizations with audit logging.

AGPL-3.0Actively maintained
Alternative to:
Auth0 logo
Auth0
+19
Logto logo

Logto

Authentication and authorization platform for apps and APIs

14.2k
1.1k
Last commit

Open-source authentication and authorization infrastructure with OIDC/OAuth 2.1, SAML SSO, multi-tenancy, MFA, and RBAC for SaaS and AI apps.

MPL-2.0Actively maintained
Alternative to:
Auth0 logo
Auth0
+19
Casdoor logo

Casdoor

UI-first IAM and SSO platform for modern authentication

14.1k
1.8k
Last commit

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.

Apache-2.0Actively maintained
Alternative to:
Okta logo
Okta
+19
Pocket ID logo

Pocket ID

A passkey-only OpenID Connect identity provider

8.6k
282
Last commit

Pocket ID is a simple self-hosted OpenID Connect (OIDC) provider that lets users sign in to apps using passkeys instead of passwords.

BSD-2-ClauseActively maintained
Alternative to:
Auth0 logo
Auth0
+19
Tinyauth logo

Tinyauth

Lightweight authentication middleware for protecting web apps

8k
258
Last commit

Tinyauth is a lightweight auth middleware that adds a login screen, OAuth, or LDAP authentication in front of your apps via common reverse proxies.

AGPL-3.0Actively maintained
Alternative to:
Cloudflare Access logo
Cloudflare Access
+17
Warpgate logo

Warpgate

Transparent bastion and PAM for SSH, HTTPS, MySQL and PostgreSQL

7.4k
317
Last commit

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.

Apache-2.0Actively maintained
Alternative to:
Teleport logo
Teleport
+7

LLDAP

Lightweight LDAP authentication server with a web UI

6.4k
347
Last commit

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.

GPL-3.0Actively maintained
Alternative to:
Microsoft Active Directory logo
Microsoft Active Directory
+2

Cosmos Cloud

Security-first self-hosting platform with reverse proxy, SSO, and apps

6.1k
237
Last commit

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 monitoring.

Actively maintained
Alternative to:
Cloudron logo
Cloudron
+18
Kanidm logo

Kanidm

Simple, secure identity management and SSO provider

5.2k
343
Last commit

Kanidm is a secure identity management platform providing SSO, passkeys (WebAuthn), and integrations like OAuth2/OIDC, RADIUS, and LDAP gateway for legacy apps.

MPL-2.0Actively maintained
Alternative to:
Okta logo
Okta
+19

Pomerium

Identity- and context-aware access proxy for zero trust access

4.9k
343
Last commit

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

Apache-2.0Actively maintained
Alternative to:
Cloudflare Access logo
Cloudflare Access
+12
Cerbos logo

Cerbos

Context-aware authorization and access control policy engine

4.5k
198
Last commit

Cerbos is a scalable, language-agnostic authorization layer for defining and evaluating context-aware access control policies via a dedicated Policy Decision Point (PDP) API.

Apache-2.0Actively maintained
Alternative to:
OSO Cloud logo
OSO Cloud
+17
2FAuth logo

2FAuth

Web-based TOTP/HOTP authenticator and 2FA account manager

4.1k
293
Last commit

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 encryption.

AGPL-3.0Actively maintained
Alternative to:
Google Authenticator logo
Google Authenticator
+3

GLAuth

Lightweight LDAP authentication server with pluggable backends

2.8k
240
Last commit

GLAuth is a lightweight LDAP/LDAPS authentication server for development, CI, and homelabs, supporting file, S3, SQL, or LDAP proxy backends and optional 2FA.

MITActively maintained
Alternative to:
Microsoft Active Directory logo
Microsoft Active Directory
+5
Defguard logo

Defguard

Zero-trust WireGuard VPN with protocol-level MFA and integrated SSO

2.8k
107
Last commit

Enterprise-grade zero-trust access management platform providing WireGuard VPN with true protocol-level 2FA/MFA, plus integrated OpenID Connect SSO and user/device controls.

Actively maintained
Alternative to:
Defguard Cloud logo
Defguard Cloud
+19

VoidAuth

Self-hosted SSO and user management with OpenID Connect and ForwardAuth

2.4k
87
Last commit

VoidAuth is a self-hosted SSO provider with OpenID Connect, ForwardAuth proxy auth, and built-in user and group management plus MFA and passkeys.

AGPL-3.0Actively maintained
Alternative to:
Auth0 logo
Auth0
+19
Authgear logo

Authgear

Identity and authentication platform for apps and APIs

1.9k
126
Last commit

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.

Apache-2.0Actively maintained
Alternative to:
Auth0 logo
Auth0
+19
TeamPass logo

TeamPass

Collaborative on-prem password management with RBAC and encryption.

1.8k
570
Last commit

On-prem password manager enabling secure sharing and fine-grained access control over credentials.

GPL-3.0Actively maintained
Alternative to:
Bitwarden logo
Bitwarden
+9
Databunker logo

Databunker

Self-hosted vault for tokenizing and encrypting sensitive records

1.5k
94
Last commit

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.

MITActively maintained
Alternative to:
Skyflow logo
Skyflow
Mozilla Accounts (FxA) logo

Mozilla Accounts (FxA)

Account and authentication service for Mozilla products

681
237
Last commit

Mozilla Accounts (FxA) is an account and authentication service used by Mozilla clients, providing login, session management, and account-related APIs for Mozilla products.

MPL-2.0Actively maintained
Alternative to:
Auth0 logo
Auth0
+15

Melody Auth

OAuth 2.0 and authentication server for Cloudflare Workers or Node.js

628
65
Last commit

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.

MITActively maintained
Alternative to:
Auth0 logo
Auth0
+19

UniFi Voucher Site

Generate and manage UniFi guest WiFi vouchers

294
35
Last commit

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.

MITActively maintained
Alternative to:
Proxyclick logo
Proxyclick
+1

Jauth

Lightweight TLS reverse proxy with SSH and Telegram authorization

189
9
Last commit

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.

GPL-3.0Likely dormant
Alternative to:
Cloudflare Access logo
Cloudflare Access
+4

Guardian

Plex session monitoring and device access control platform

173
4
Last commit

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.

Actively maintained
Alternative to:
Tautulli logo
Tautulli