FantasyFootballNerdAPI.NET is a project mainly written in C# and CLASSIC ASP, it's free.
ASP.NET implementation of Fantasty Football Nerd API
This is a fork of the Fantasy Football Nerd API. It follows their license.
Their site: http://www.fantasyfootballnerd.com/ The official API: http://www.fantasyfootballnerd.com/fantasyFootballAPI.php