Top 20 NuGet caldav Packages

IPWorks is a comprehensive framework of easy-to-use components for Internet development, including FTP, HTTP, SMTP, POP, IMAP, LDAP, DNS, SMS, SOAP, etc.
CalDAV .NET client library
Client for online calendars. Based on CalDav technology. Now it supports Google, Apple, Yahoo and Outlook calendars.
Simple CalDav server.
Simple CalDav client.
Support for serializing iCal and CalDav objects.