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NetFXHarmonics DevServer is a web server hosting environment built on .NET 3.5 using WPF, WCF, and LINQ technologies that allows multiple instances of VS-like web servers to run in parallel. NetFXHarmonics DevServer also includes tracing capabilities for monitoring view status code, date/time, URL, POST data , response data, request headers, ...

I like log4net .The library is very easy for using and configuration and has an amazing set of features. I found an interesting project that allow to ASP.NET(AJAX) developers to add logging abilities to JavaScript .The project called log4js .It's free and can be downloaded at this link.The main aim of framework is to be very similar to the Net ...