WSE and .NET Compact Framework
Well, the .NET Compact Framework has now support for some of the most important WS-* protocols. The OpenNETCF.org group, as part of a fantastic job, has releases OpenNETCF Compact Framework Library for developing smart client applications.
Among the many enhancements is support for WSE2.0 features that provide support for the WS-Addressing, WS-Security, and WS-Attachments specifications. Also included are enhancements for debugging and tracing as well as added graphics controls.