head to head · open source
oauth2-client vs caddy-security
oauth2-client has 3,818 GitHub stars, 769 forks, 64 open issues and last shipped 11 days ago. caddy-security has 2,239 stars, 102 forks, 8 open issues and last shipped today. oauth2-client leads on adoption by 71% (3,818 vs 2,239 stars). oauth2-client is written in PHP under MIT; caddy-security is written in Go under Apache-2.0. oauth2-client has attracted 20% as many forks as stars, caddy-security 5%. caddy-security was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 4 topic tags (authentication, authorization, 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 | caddy-security | |
|---|---|---|
| GitHub stars | ★ 3.8K | ★ 2.2K |
| License | MIT | Apache-2.0 |
| Written in | PHP | Go |
| Last push | 2026-09-16 | 2026-09-27 |
| Forks | ⑂ 769 | ⑂ 102 |
| 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 caddy-security if
- You want the caddy-security feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and caddy-security fits your workflow better
About oauth2-client
league/oauth2 client is an MIT licensed PHP library maintained by The PHP League that provides a reusable base for integrating applications with any OAuth 2.0 service provider, aimed at PHP developers who need to add "Connect with Facebook/Google" style login and token flows without implementing RFC 6749 from scratch.
read the full oauth2-client overview →
About caddy-security
caddy security is an authentication, authorization, and accounting (AAA) app and plugin for Caddy v2 that implements form based, basic, local, LDAP, OpenID Connect, OAuth 2.0 and SAML sign in together with JWT and PASETO request authorization, and it is aimed at operators and security teams who terminate HTTP traffic with Caddy and want identity enforcement to happen inside the web server itself.
read the full caddy-security overview →
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Frequently asked questions
Is oauth2-client or caddy-security more popular?
oauth2-client has 3,818 GitHub stars and caddy-security has 2,239. oauth2-client has the larger community by that measure.
Are oauth2-client and caddy-security free?
Both are open source. oauth2-client is licensed under MIT and caddy-security under Apache-2.0. Neither carries a licence fee.
What is the difference between oauth2-client and caddy-security?
oauth2-client is written in PHP and caddy-security 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 caddy-security?
Choose oauth2-client if you want the larger community (3,818 stars) or its MIT licence terms. Choose caddy-security if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.