The OSD is literally as old as the phrase itself, and was popularized along with the phrase. I actually don't like some parts of the OSD that much, but it's as close to a universally accepted definition as you'll ever get for anything.
... and even if you don't accept the OSD, what these people are distributing isn't source code in any sense at all. Nor do their restrictions usually resemble what the average person would think of as "open".
... and even if you don't accept the OSD, what these people are distributing isn't source code in any sense at all. Nor do their restrictions usually resemble what the average person would think of as "open".