Authelia
Single sign-on and two-factor authentication portal for protecting web apps behind a reverse proxy.
- Identity & SSO
- Go
- Apache-2.0
- Docker
- Actively maintained
GitHub stats
- GitHub stars
- 29,182
- Forks
- 1,501
- Open issues
- 57
- Commits, last 12 months
- 2,474
- Last commit
- Oct 6, 2026
- Latest release
- v4.39.28Sep 17, 2026
- Created
- Dec 7, 2016
Data from the GitHub API, refreshed daily.
About Authelia
Single sign-on and two-factor authentication portal for protecting web apps behind a reverse proxy. Authelia is open source under the Apache-2.0 license and written mainly in Go, so you can read the code, run it on your own hardware and keep full control of your data.
The project has 29,182 stars and 1,501 forks on GitHub, with 2,474 commits over the last year. It ships a Docker image, which makes it a good fit for a small VPS or a home server running Docker Compose.
Topics
- totp
- ldap
- sso-authentication
- two-factor-authentication
- docker
- kubernetes
- sso
- multifactor
- push-notifications
- mfa
Open-source alternative to
Authelia can replace these commercial products. Compare every option on each page.
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What is Authelia?
Authelia is a free, open-source app you can host on your own server, listed in our Identity & SSO category. Single sign-on and two-factor authentication portal for protecting web apps behind a reverse proxy. The source code lives at github.com/authelia/authelia, where it has 29,182 stars.
Is Authelia free and open source?
Yes. Authelia is open-source software released under the Apache-2.0 license, so you can self-host it at no cost. You only pay for the server it runs on, and some projects also offer an optional paid cloud plan.
Can I run Authelia with Docker?
Yes. Authelia provides a Docker image, so you can run it on any Linux server with Docker and Docker Compose installed. The project README lists the image name and the environment variables to set.
What are the best alternatives to Authelia?
Popular open-source alternatives to Authelia include Keycloak, authentik and SuperTokens. Authelia itself is a self-hosted alternative to Auth0 and Okta.
Is Authelia actively maintained?
The most recent commit to Authelia was on Oct 6, 2026 with 2,474 commits in the past twelve months. The latest release is v4.39.28, published Sep 17, 2026. Check the open issues on GitHub to gauge how quickly maintainers respond.