head to head · open source
oauth2-proxy vs vouch-proxy
oauth2-proxy has 14,994 GitHub stars, 2,196 forks, 285 open issues and last shipped 2 days ago. vouch-proxy has 3,282 stars, 337 forks, 65 open issues and last shipped 3 months ago. oauth2-proxy leads on adoption by 357% (14,994 vs 3,282 stars). oauth2-proxy is written in Go under MIT; vouch-proxy is written in Go under MIT. oauth2-proxy has attracted 15% as many forks as stars, vouch-proxy 10%. oauth2-proxy was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (oauth2, sso), 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
| oauth2-proxy | vouch-proxy | |
|---|---|---|
| GitHub stars | ★ 15K | ★ 3.3K |
| License | MIT | MIT |
| Written in | Go | Go |
| Last push | 2026-09-21 | 2026-07-03 |
| Forks | ⑂ 2.2K | ⑂ 337 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick oauth2-proxy if
- You weight community size — 15K stars and counting
- You want the MIT license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick vouch-proxy if
- You want the vouch-proxy feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and vouch-proxy fits your workflow better
About oauth2-proxy
OAuth2 Proxy is an open source, MIT licensed reverse proxy and middleware written in Go that puts OAuth2 and OpenID Connect authentication in front of web applications, aimed at operators and platform teams who need single sign on without adding auth code to every app.
read the full oauth2-proxy overview →
About vouch-proxy
Vouch Proxy is a Go based single sign on gateway that protects websites behind Nginx by validating OAuth and OpenID Connect logins through Nginx's auth request module, and it is built for operators who already run Nginx and want one login layer in front of everything they host.
read the full vouch-proxy overview →
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Frequently asked questions
Is oauth2-proxy or vouch-proxy more popular?
oauth2-proxy has 14,994 GitHub stars and vouch-proxy has 3,282. oauth2-proxy has the larger community by that measure.
Are oauth2-proxy and vouch-proxy free?
Both are open source. oauth2-proxy is licensed under MIT and vouch-proxy under MIT. Neither carries a licence fee.
What is the difference between oauth2-proxy and vouch-proxy?
oauth2-proxy is written in Go and vouch-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, oauth2-proxy or vouch-proxy?
Choose oauth2-proxy if you want the larger community (14,994 stars) or its MIT licence terms. Choose vouch-proxy if its feature set, stack or MIT licence fits better. Both are self-hostable.