On 15/10/2007, Chad Perrin <perrin / apotheon.com> wrote: > On Tue, Oct 16, 2007 at 02:36:42AM +0900, Michal Suchanek wrote: > > > > The major difference from the "forever opensource" point of view is > > that BSD license does not require you to distribute the code in source > > form. > > This allows you to only distribute the binaries of a modified version > > of the software and keep the source, making the software as > > proprietary as it ever gets. People can disassemble it, but they can > > do the same with proprietary software (the license may forbid it but > > it is unenforcible technically and often even legally). To disallow > > copying the binaries just link with a proprietary module. > > Software gets a *lot* more proprietary than "only available as a binary". > It's also rather difficult to get existing copies of source out of > circulation, so taking a copy of the publicly available source and > compiling it, then distributing only the binary, doesn't really > accomplish much in terms of making it more "closed", in practice. Please, read what you are responding to. The critical part is you *modify* it. Then the modification is only available as part of you proprietary product which you make as proprietary as you like. > > Your comment about what is and is not enforceable strikes me as premature > and lacking strong supporting evidence. Whatever. But unless you also require a separate hardware, physical security, and whatnot, it is possible to disassemble the software, and in practice this option is used. Thanks Michal