Authelia vs Caddy Security
A side-by-side comparison of two self-hosted apps from related categories — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Authelia
Authentication and authorization server for reverse proxies
VS
Caddy Security
Authentication and authorization plugin for Caddy
| Feature | Authelia | Caddy Security |
|---|---|---|
| Category | Reverse Proxy & Gateways | Identity & SSO |
| License | Apache-2.0 | Apache-2.0 |
| Language | Go | Go |
| Setup difficulty | Medium | Medium |
| Min. RAM | 128 MB | 128 MB |
| Deployment | docker, kubernetes, binary | binary, source |
| GitHub stars | ★ 28,514 | ★ 2,213 |
| First released | 2017 | 2021 |
| Replaces | Okta, Cloudflare Access | Cloudflare Access |
Why pick each one
Choose Authelia if…
- Released under the Apache-2.0 license
- First-class Docker support for quick deployment
- Kubernetes-ready with Helm charts available
- Mature project with 28.5k GitHub stars
Choose Caddy Security if…
- Released under the Apache-2.0 license
- Active community (2.2k GitHub stars)
- Written in Go
- Tiny footprint — runs in 128 MB RAM
Frequently asked questions
Is Authelia or Caddy Security better?
Neither is universally better. Authelia has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Authelia and Caddy Security free and open-source?
Yes. Authelia is licensed under Apache-2.0 and Caddy Security under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Authelia and Caddy Security with Docker?
Authelia: yes. Caddy Security: check the project docs for container support.