IDK about 'open source', but 'libre software' is what fueled tons of propietary software from the 80's
until today. Without that software tons of propietary software (even console games) woudn't even exist.
I remind you all Emacs powered some German airline's ATC in the early 90's, and it used to be used under Amazon for tons of stuff thanks to its easy widget UI to achieve tasks with very little Elisp.
I remind you all Emacs powered some German airline's ATC in the early 90's, and it used to be used under Amazon for tons of stuff thanks to its easy widget UI to achieve tasks with very little Elisp.