The Google gag library written in C# For more info see: http://code.google.com/p/gag Or you can see the awesome (i really like the background color) official project page : http://rumpl.github.com/Cgag/ Missing features : - Pretty much everything in the "enforceable" namespace. Example : using Cgag.Attributes.Disclaimer; /* code code code */ [BossMadeMeDoIt] public void WorkOnWeekends() { /* ... */ } And of course, it's on Nuget now : http://nuget.org/List/Packages/Cgag