Professional open-source is an open source software business model where an open source software vendor generates revenue from paid professional services, maintenance and support provided along with the software. Some open source software vendors also provide commercial licenses of open source software or customer specific versions of open source software to customers .
Famous quotes containing the word professional:
“Many young girls are ... becoming trained nurses, whose gentle ministrations in the sick-room, skilled touch, patient watchfulness and unwearied vigils, are as great factors in the care of the sick, as are the professional physicians.”
—Lydia Hoyt Farmer (1842–1903)