There are two open source ethics. The first (MIT/BSD) says "do whatever you want with it." The second (GNU) says "keep software free." The latter places heavy

There are two open source ethics. The first (MIT/BSD) says "do whatever you want with it." The second (GNU) says "keep software free." The latter places heavy restrictions on certain ways to commercialize software, e.g. selling it without making the source freely available.