Set of libraries supporting development in .NET Compact Framework 2.0 and 3.5 and Silverlight for Windows Phone. Supports Windows CE 4.1 - Windows Embeded Compact 7 and Pocket PC 2003, Windows Mobile 5.0 to 6.5.3, Windows Embedded Handheld and Windows Phone 7.
Functionality across a wide variety of functional areas for mobile development include:-
Location and Geocoding
PIM and Email
Forms, UI and Common Dialogs
Visual Basic extensions including My functionality
Demo package has limited functionality and allows a 30 day evaluation period.