Modders were finally able to reverse engineer the game and release Server and Mod Tools. I am so excited.
http://www.mordorhq.com/content.php?9-Forgotten-but-not-Abandoned-Bad-Company-2-returns-with-Mod-Tools
http://www.mordorhq.com/content.php?9-Forgotten-but-not-Abandoned-Bad-Company-2-returns-with-Mod-Tools