head to head · open source
oauth2-client vs vouch-proxy
oauth2-client has 3,819 GitHub stars, 770 forks, 64 open issues and last shipped 2 days ago. vouch-proxy has 3,285 stars, 339 forks, 65 open issues and last shipped 1 months ago. oauth2-client leads on adoption by 16% (3,819 vs 3,285 stars). oauth2-client is written in PHP under MIT; vouch-proxy is written in Go under MIT. oauth2-client has attracted 20% as many forks as stars, vouch-proxy 10%. oauth2-client was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (authentication, 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-client | vouch-proxy | |
|---|---|---|
| GitHub stars | ★ 3.8K | ★ 3.3K |
| License | MIT | MIT |
| Written in | PHP | Go |
| Last push | 2026-11-06 | 2026-09-27 |
| Forks | ⑂ 770 | ⑂ 339 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick oauth2-client if
- You weight community size — 3.8K stars and counting
- You want the MIT license terms
- Your stack matches PHP
- 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-client
OAuth 2.0 Client This package provides a base for integrating with OAuth 2.0 service providers. The OAuth 2.0 login flow, seen commonly around the web in the form of "Connect with Facebook/Google/etc." buttons, is a common integration added to web applications, but it can be tricky and tedious to do right. To help, we've created the league/oauth2 client package, which provides a base for integrating with various OAuth 2.0 providers, without overburdening your application with the concerns of RFC 6749. This OAuth 2.0 client library will work with any OAuth 2.0 provider that conforms to the OAuth 2.0 Authorization…
read the full oauth2-client overview →
About vouch-proxy
Vouch Proxy An SSO solution for Nginx using the auth request module. Vouch Proxy can protect all of your websites at once. Vouch Proxy supports many OAuth and OIDC login providers and can enforce authentication to... Google GitHub GitHub Enterprise IndieAuth Okta Slack ADFS Azure AD Alibaba / Aliyun iDaas AWS Cognito Twitch Discord SecureAuth Gitea Keycloak OAuth2 Server Library for PHP HomeAssistant OpenStax Ory Hydra Nextcloud Pocket ID most other OpenID Connect (OIDC) providers Please do let us know when you have deployed Vouch Proxy with your preffered IdP or library so we can update the list. If Vouch is…
read the full vouch-proxy overview →
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Frequently asked questions
Is oauth2-client or vouch-proxy more popular?
oauth2-client has 3,819 GitHub stars and vouch-proxy has 3,285. oauth2-client has the larger community by that measure.
Are oauth2-client and vouch-proxy free?
Both are open source. oauth2-client is licensed under MIT and vouch-proxy under MIT. Neither carries a licence fee.
What is the difference between oauth2-client and vouch-proxy?
oauth2-client is written in PHP 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-client or vouch-proxy?
Choose oauth2-client if you want the larger community (3,819 stars) or its MIT licence terms. Choose vouch-proxy if its feature set, stack or MIT licence fits better. Both are self-hostable.