Nginx module for SPNEGO/GSS(API)/Kerberos aka MS Windows (TM) Single Sign-on (TM) authentication.

A general Server Side Swift library that implements SPNEGO mechanism.

Remote PKCS #11 Client Library and Hosting Dæmon (comms uses ASN.1 spec over Kerberos-protected links)

Example of authentication using GSSAPI in C

mod_auth_vas is an authentication and authorization module for use with the Apache web server.

Go wrapper for Kerberos GSSAPI

A proxy for GSSAPI | Docs at https://github.com/gssapi/gssproxy/tree/main/docs

Heimdal

GSSAPI Negotiate module for Apache

A native Kerberos client implementation for Python on Windows