DDay.iCal is an iCal (RFC 5545) class library for .NET 2.0 and above, Silverlight. It aims at being as RFC 5545 compliant as possible, while targeting compatibility with popular calendaring applications, like Apple iCal, Outlook 2007, etc.
There are no reported vulnerabilities
At one point, Open Hub analyzed source code for this project based on code location(s) available at that time. Since then, the code locations have been removed.