FSF's Venn diagram: https://www.gnu.org/philosophy/categories.html https://www.gnu.org/philosophy/categories.html Some people seem to have gravitated toward s

FSF's Venn diagram: https://www.gnu.org/philosophy/categories.html https://www.gnu.org/philosophy/categories.html Some people seem to have gravitated toward saying that only copyleft licenses are "free software" (because FSF promotes both concepts?), but this is contrary to historical usage, where copyleft and permissive licenses were both considered both "free" and "open source".