I came across Ana White's website when I was looking for greenhouse plans. She has a lot of nice, free plans spanning many indoor and outdoor projects complete with materials list, tools list, and a PDF version you can download and print. Doesn't get much better than that when you are talking free!.
Here are some of her chicken plans:
A Frame Coop: http://ana-white.com/2012/05/plans/frame-chicken-coop