Development Tools
WCF application can be developed by the Microsoft Visual Studio. Visual studio is available at different edition. You can use Visual Studio 2008 Expression edition for the development.
http://www.microsoft.com/express/product/default.aspx
Visual Studio 2008 SDK 1.1
http://www.microsoft.com/downloads/details.aspx?FamilyID=59ec6ec3-4273-48a3-ba25-dc925a45584d...
Microsoft Visual Studio 2008
Microsoft Visual studio 2008 provides new features for WCF compared to Visual Studio 2005. These are the new features added to VS 2008.
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Multi-targeting
You can create application in different framework like Framework 2.0, 3.0 and 3.5 
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Default template is available for WCF
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WCF - Test Client tools for testing the WCF service.
Microsoft provides inbuilt application to test the WCF application. This can be done by opening the Visual Studio command prompt and type the wcfClient Serviceurl shows below. This will help the developer to test the service before creating the client application. 
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WCF services can be debugged now in Visual Studio 2008. Wcfsvchost.exe will do it for you because service will be self hosted when you start debugging.
Tips!
- Always create the service with Interface->Implementation format, mention the contract in Interface.
- Define the service in Class library and refer the class library in Host project. Don’t use service class in host project.
- Change the instance mode to per call as default.
- Always catch exception using try/catch block and throw exception using FaultException < T >.
- Logging and Include exception should be enable while compiling the project in debug mode. While in production deployment disable the logging and Include exception details.
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