Best Self-hosted Identity & Access Management (IAM) tools in 2026

37 self-hosted open source alternatives in this category

37 services found

nforwardauth

nforwardauth

Lightweight forward-auth service for reverse proxies

153
8
Last commit: 3mo ago

A minimal, Rust-based forward authentication middleware for reverse proxies (Traefik, Caddy, nginx) using a passwd file and signed auth tokens.

Alternative to:
Cloudflare Access
Cloudflare Access
+9
AuthPortal

AuthPortal

Self-hosted SSO gateway for Plex, Jellyfin and Emby

81
2
Last commit: 1mo ago

Lightweight Go-based authentication gateway that provides unified SSO for Plex, Jellyfin, and Emby users with OIDC, MFA and an admin console. Runs in Docker and stores pr...

Alternative to:
Auth0
Auth0
+19
Engity's Bifröst

Engity's Bifröst

SSH server with OpenID Connect and container/Kubernetes sessions

73
1
Last commit: 5d ago

Advanced SSH server and bastion that authenticates via OpenID Connect or keys, runs sessions inside Docker containers or Kubernetes pods, and supports automatic user prov...

Alternative to:
Teleport
Teleport
+7
Zero-TOTP

Zero-TOTP

Zero-knowledge encrypted TOTP vault and web client

15
0
Last commit: 1mo ago

Open-source TOTP client and encrypted vault using zero-knowledge encryption to store, sync and retrieve TOTP secrets via web, rescue frontend, iOS and CLI; self-hostable.

Alternative to:
Google Authenticator
Google Authenticator
+3
Authman

Authman

Authentication server backend for the Authman application

9
1
Last commit: 1y ago

PHP-based authentication server repository that provides backend auth logic and templated views for the Authman app; frontend is provided separately.

FusionAuth

FusionAuth

Self-hosted identity and access management for applications

FusionAuth is a self-hosted authentication and IAM platform supporting OAuth2, OIDC and SAML, with SSO, MFA, user management and developer-focused integrations.

Alternative to:
Auth0
Auth0
+19
Samba

Samba

SMB/CIFS file and print server with Active Directory support

Samba is an open source SMB/CIFS file and print server that also provides Active Directory Domain Controller and member server capabilities for Linux/Unix systems.

Alternative to:
Microsoft Windows Server
Microsoft Windows Server
+5