Eneter Messaging Framework 3.0

Summary: The third version of the messaging framework for the interprocess communication.
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Windows Phone 7: How to Encrypt Communication with Desktop Application

Summary: Simple example showing how to implement encrypted communication between Windows Phone 7 and standalone .NET application.
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Windows Phone 7: How to Communicate with Desktop Application

Summary: Simple example showing how to implement the communication from Windows Phone 7 to the standalone .NET application with using HTTP.
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Eneter Messaging Framework 2.0

Summary: The second version of the lightweight framework for the interprocess communication.
CodeProject