Looks like these guys are open source. Blackboard has some kind of a "pledge" on their site not to sue open source projects. EDIT, Found it: http://www.blackb

Looks like these guys are open source. Blackboard has some kind of a "pledge" on their site not to sue open source projects. EDIT, Found it: http://www.blackboard.com/About-Bb/Patents/Patent-Pledge.aspx http://www.blackboard.com/About-Bb/Patents/Patent-Pledge.asp...