Original: The Free Software Foundation ( FSF ) is a non-profit corporation founded by Richard Stallman on 4 October 1985 to support the free software movement , a copyleft-based movement which aims to promote the universal freedom to create , distribute and modify computer software .
Simplified: The FSF maintains a list of '' high priority projects '' where the Foundation says that '' there is a vital need to draw the free software communitys attention '' .