"While poking around for LINQ extensions, I found a project on Google Code, morelinq, that has *numerous* LINQ extensions from some rock-star authors like Jon Skeet, such as:
"LINQ to Objects is missing a few desirable features.
This project will enhance LINQ to Objects with extra methods, in a manner which keeps to the spirit of LINQ.
As you can see the downloads are a little dated, but there's checked in source from about a year ago, so the project isn't dead. And even if it were "Dead" since the Source is available you can take it and run with it if you want... If you need some of the LINQ features, it might be easier to start with this than start fresh...