* [OAuth 2.0 Authorization Framework v2.0.19](https://github.com/ruby-oauth/oauth2) – RubyGem for implementing OAuth 2.0 clients with support for various authorization flows.

* [openvpn-auth-oauth2 v1.27.4](https://github.com/jkroepke/openvpn-auth-oauth2) – OpenVPN management client that enables OIDC-based single sign-on across multiple providers.