1)   Aspose.Tasks for .NET 1.6.1.0
Aspose.Tasks is a .NET Project® management component that enables applications to Read, Write and Modify Microsoft Project® documents, MPX Projects and modifying MS Projects 2000-2003 in XML format, Access to Currency settings, Calendars and Tasks.

 2)   Aspose.iCalendar for .NET 1.2.3.0
Aspose.iCalendar is a .NET class library providing classes and algorithms useful for time-oriented Recurrence Patterns, or Schedules and also works with Windows Vista RC2. It presents Recurrence Patterns in your Windows, Web or a Mobile application.