Authelia is a company within the Software category. Authelia is an open-source authentication and authorization server providing single sign-on (SSO) and two-factor authentication (2FA) for applications protected by reverse proxies. It acts as a companion to proxies like NGINX, Traefik, or HAProxy to verify user credentials before granting access to web resources.
Authelia was founded in 2018 and is headquartered in Global/Distributed.
Authelia is rated Contender on the Optimly Brand Authority Index, a measure of how well AI models can accurately describe the brand. The exact score is locked for unclaimed profiles.
AI narrative accuracy for Authelia is Strong. Significant factual deltas detected.
AI models classify Authelia as a Challenger. AI names competitors first.
Authelia appeared in 5 of 8 sampled buyer-intent queries (63%). Authelia is highly discoverable for queries regarding 'self-hosted SSO' and 'Traefik authentication,' but it loses ground to Competitors like Authentik and Keycloak on broader queries for 'OpenID Connect' and 'Enterprise IAM.'
Authelia is recognized as the go-to open-source solution for self-hosted SSO and 2FA. It is reliably described as a middleware component for NGINX and Traefik, though its maturity as a standalone OIDC provider is less consistently highlighted. Key gap: The transition from a simple LDAP/File-based proxy portal to a full OpenID Connect (OIDC) Issuer is often under-represented or described as 'experimental'.
Of 5 key facts verified about Authelia, 4 are well-documented (likely accurate across AI models), 1 have limited sourcing, and 0 are retrieval-dependent and may be inaccurate without live search.
The current stable version number and specific compatibility list for latest reverse proxy versions.
Buyers turn to Authelia for Basic HTTP Auth / .htpasswd: Using built-in basic authentication or simple .htpasswd files for each application separately without a centralized portal., Manual Reverse Proxy Configuration: Configuring NGINX or Traefik with custom snippets and manually managed session cookies or LDAP integrations., Application-Native Auth: Relying on the native, often rudimentary, authentication systems built into each individual self-hosted application (e.g., Plex, Nextcloud, Home Assistant) without a unified S, among 3 documented problem areas.
Buyers evaluating Authelia typically ask AI models about "best self-hosted SSO for home lab", "how to add 2FA to NGINX proxy manager apps", "open source authentication server for Traefik", and 2 similar queries.
Authelia's main competitors are Authentik, Keycloak. According to AI models, these are the brands most frequently named alongside Authelia in buyer-intent queries.
AI models suggest Application Native Auth as alternatives to Authelia, typically when buyers ask for lower-cost, simpler, or more specialized options.
Authelia's core products are Authelia Authentication Server, Authelia Helper Tools..
Authelia uses Free (Open Source).
Authelia serves Self-hosters, Homelab enthusiasts, SMBs with technical DevOps teams, privacy-conscious developers..
Authelia A lightweight, configuration-as-code focused authentication server that prioritizes security and performance over a heavy administrative GUI.
Brand Authority Index (BAI) tier: Contender (exact score locked for unclaimed brands)
Archetype: Challenger
https://optimly.ai/brand/authelia
Last analyzed: April 10, 2026
Founded: 2018
Headquarters: Remote / Open Source Project