Apple's new iPhone application Software Development Kit is in trouble with Net neutrality activists and could violate anti-trust rules.

According to ZDnet, the application software blocks competing Web browser Firefox, Opera and Voice over IP applications such as Skype. A member of the Firefox team said that buried into the legal agreement is something which prevents the browser from being used because it support hundreds of user-created add-ons.

Apple also forbids the use of Javascript, Ruby, Python, Perl, and Java. Sun said that it was readying a version of Java for the iPhone and has warned that it will sort out the legal issues afterward. Sun has no problem filing anti-trust complaints.

Apple's blocking of Skype means that it could fall foul of the same sort of issues that Comcast has with the FCC over the blocking of BitTorrent. Apple cannot even claim, as Comcast has done, that is performing reasonable network management.

More here.