* [Logto v1.42.0](https://github.com/logto-io/logto) – Modern auth infrastructure supporting OIDC, OAuth 2.1, multi-tenancy, SSO, and RBAC for SaaS and AI applications.

* [oidc-provider v9.11.5](https://github.com/panva/node-oidc-provider) – OAuth 2.0 Authorization Server implementation with OpenID Connect support and additional features.

* [OpenPubkey v0.28.0](https://github.com/openpubkey/openpubkey) – Protocol leveraging OpenID Providers to bind identities to public keys through verifiable tokens.

* [Goiabada v1.6.0](https://github.com/leodip/goiabada) – OAuth2 and OpenID Connect server in Go providing self-hosted authentication, SSO, 2FA, and fine-grained authorization.

* [express-openid-connect v3.4.0](https://github.com/auth0/express-openid-connect) – Express.js middleware for implementing OpenID Connect sign-on in web applications.

* [s3-proxy v5.1.1](https://github.com/oxyno-zeta/s3-proxy) – Reverse proxy for S3 supporting GET, PUT, DELETE methods with OpenID Connect and Basic authentication.

* [oauth4webapi v3.8.7](https://github.com/panva/oauth4webapi) – Low-level API for building OAuth 2.1 and OpenID Connect client modules in JavaScript runtimes.