head to head · open source
authelia vs oauth2-proxy
authelia has 29,482 GitHub stars, 1,531 forks, 137 open issues and last shipped 2 days ago. oauth2-proxy has 15,313 stars, 2,258 forks, 285 open issues and last shipped 3 days ago. authelia leads on adoption by 93% (29,482 vs 15,313 stars). authelia is written in Go under Apache-2.0; oauth2-proxy is written in Go under MIT. authelia has attracted 5% as many forks as stars, oauth2-proxy 15%. authelia was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (oauth2), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| authelia | oauth2-proxy | |
|---|---|---|
| GitHub stars | ★ 29K | ★ 15K |
| License | Apache-2.0 | MIT |
| Written in | Go | Go |
| Last push | 2026-11-02 | 2026-11-01 |
| Forks | ⑂ 1.5K | ⑂ 2.3K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick authelia if
- You weight community size — 29K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick oauth2-proxy if
- You want the oauth2-proxy feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and oauth2-proxy fits your workflow better
About authelia
<img alt="SLSA 3" src="
read the full authelia overview →
About oauth2-proxy
OAuth2 Proxy is a flexible, open source tool that can act as either a standalone reverse proxy or a middleware component integrated into existing reverse proxy or load balancer setups. It provides a simple and secure way to protect your web applications with OAuth2 / OIDC authentication. As a reverse proxy, it intercepts requests to your application and redirects users to an OAuth2 provider for authentication. As a middleware, it can be seamlessly integrated into your existing infrastructure to handle authentication for multiple applications. OAuth2 Proxy supports a lot of OAuth2 as well as OIDC providers…
read the full oauth2-proxy overview →
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Frequently asked questions
Is authelia or oauth2-proxy more popular?
authelia has 29,482 GitHub stars and oauth2-proxy has 15,313. authelia has the larger community by that measure.
Are authelia and oauth2-proxy free?
Both are open source. authelia is licensed under Apache-2.0 and oauth2-proxy under MIT. Neither carries a licence fee.
What is the difference between authelia and oauth2-proxy?
authelia is written in Go and oauth2-proxy in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, authelia or oauth2-proxy?
Choose authelia if you want the larger community (29,482 stars) or its Apache-2.0 licence terms. Choose oauth2-proxy if its feature set, stack or MIT licence fits better. Both are self-hostable.