From DBI Technologies:
Calendar Tools 2.0 for .NET - Is the .NET developer s choice for Outlook-style appointment scheduling and interactive Calendar functionality for WinForm solutions. Calendar Tools 2.0 for .NET is a complete appointment scheduling and interactive calendar component-solution providing: One-stop presentation settings for all components; common data-management architecture; comprehensive appointment, contact, location and task data management; drag-and-drop appointment scheduling, interactive calendars, date input; date selection. Collaborative Data Framework is a common presentation and data management layer for sharing appointment, contact, location and task information. Developers can extend Outlook using the Collaboration Information object model without the complexity of MS Outlook.