the free software movement explicitly claims an ethical basis for the work. Individuals in the movement, being human as they are, can often get things very wrong, but at least the door is open to call us on it.
open source, and it's au courant post-open source successors, deliberately walks away from *explicit* ethical claims in favor of a squishier utilitarian or pragmatic, but implicit, ethic, an ethic of earnings and efficiency and expediency.