This is an example on how to use Active Directory (via LDAP) in ASP.Net Core 2 using the C# Novell LDAP library.
Rename appsettings.github.json to appsettings.json and enter your Active Directory details.
See my blog for more information.
This is an IHtmlHelper extension for the Google invisibe reCaptcha with an example page.
See my blog for more information.