head to head · open source
oauth2-proxy vs oauth2-client
oauth2-proxy has 15,328 GitHub stars, 2,261 forks, 285 open issues and last shipped today. oauth2-client has 3,819 stars, 770 forks, 64 open issues and last shipped today. oauth2-proxy leads on adoption by 301% (15,328 vs 3,819 stars). oauth2-proxy is written in Go under MIT; oauth2-client is written in PHP under MIT. oauth2-proxy has attracted 15% as many forks as stars, oauth2-client 20%. oauth2-client 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 | oauth2-client | |
|---|---|---|
| GitHub stars | ★ 15K | ★ 3.8K |
| License | MIT | MIT |
| Written in | Go | PHP |
| Last push | 2026-11-06 | 2026-11-06 |
| Forks | ⑂ 2.3K | ⑂ 770 |
| 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 oauth2-client if
- You want the oauth2-client feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches PHP
- You evaluated both and oauth2-client fits your workflow better
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 →
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 →
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Frequently asked questions
Is oauth2-proxy or oauth2-client more popular?
oauth2-proxy has 15,328 GitHub stars and oauth2-client has 3,819. oauth2-proxy has the larger community by that measure.
Are oauth2-proxy and oauth2-client free?
Both are open source. oauth2-proxy is licensed under MIT and oauth2-client under MIT. Neither carries a licence fee.
What is the difference between oauth2-proxy and oauth2-client?
oauth2-proxy is written in Go and oauth2-client in PHP. 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 oauth2-client?
Choose oauth2-proxy if you want the larger community (15,328 stars) or its MIT licence terms. Choose oauth2-client if its feature set, stack or MIT licence fits better. Both are self-hostable.