PostSharp: filters for C#
Aspect oriented programming is a relatively new paradigm but it’s existence in the the .NET world was brand new to me when one of my clients/bosses Kris Kniaz stopped by my desk and told me about it. He pointed me at their site and at first it was a little vague what the software was trying to accomplish but about 2 minutes into reading it over I realized I was looking at C# filtering!