Masato Taruishi <taru@sunicom.co.jp> writes: The reason for non-free is this in copyright: Permission to use, copy, modify, and distribute this software for any purpose, subject to the provisions described below, without fee is ^^^^^^^^^^^ That doesn't make it non-free. It's in the standard BSD license. It means you don't have to pay the author, not that you can't charge a fee.