head to head · open source
oauth2-proxy vs casdoor
oauth2-proxy has 15,319 GitHub stars, 2,259 forks, 285 open issues and last shipped yesterday. casdoor has 14,751 stars, 1,886 forks, 97 open issues and last shipped 2 days ago. oauth2-proxy leads on adoption by 4% (15,319 vs 14,751 stars). oauth2-proxy is written in Go under MIT; casdoor is written in Go under Apache-2.0. oauth2-proxy has attracted 15% as many forks as stars, casdoor 13%. oauth2-proxy was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
← all 20902 open source comparisons
Side by side
| oauth2-proxy | casdoor | |
|---|---|---|
| GitHub stars | ★ 15K | ★ 15K |
| License | MIT | Apache-2.0 |
| Written in | Go | Go |
| Last push | 2026-11-04 | 2026-11-03 |
| Forks | ⑂ 2.3K | ⑂ 1.9K |
| 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 casdoor if
- You want the casdoor 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 casdoor 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 casdoor
An open source, self hosted identity and access management platform Casdoor is a single sign on (SSO) and authentication server with a web console. It speaks OAuth 2.0 , OIDC , SAML 2.0 , CAS , LDAP , SCIM 2.0 , WebAuthn , TOTP/MFA and MCP , and connects to Google Workspace, Microsoft Entra ID (Azure AD), GitHub and many other identity providers. Website · Documentation · Live demo · Discord The sign in page your users see: password, email/SMS code, WebAuthn and Face ID, plus every social provider you enable. Admin console. Users, tokens, organizations and providers at a glance…
read the full casdoor overview →
More in Security & Privacy
Related comparisons
More Identity & Access Management (IAM) projects
Compare either of these against the rest of the Identity & Access Management (IAM) field.
Frequently asked questions
Is oauth2-proxy or casdoor more popular?
oauth2-proxy has 15,319 GitHub stars and casdoor has 14,751. oauth2-proxy has the larger community by that measure.
Are oauth2-proxy and casdoor free?
Both are open source. oauth2-proxy is licensed under MIT and casdoor under Apache-2.0. Neither carries a licence fee.
What is the difference between oauth2-proxy and casdoor?
oauth2-proxy is written in Go and casdoor 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 casdoor?
Choose oauth2-proxy if you want the larger community (15,319 stars) or its MIT licence terms. Choose casdoor if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.