mod_auth_openidc
mod_auth_openidc is an OpenID Certified™, open source and commercially supported authentication/authorization module for the Apache 2.x HTTP server that authenticates users against an OpenID Connect Provider.
The project site on Github is: https://github.com/OpenIDC/mod_auth_openidc.
This site contains experimental builds and release candidates. The official releases and community/commercial support can be obtained from the releases page on Github.