RMS's comments in a recent Slashdot interview are worth noting: http://features.slashdot.org/story/13/01/06/163248/richard-stallman-answers-your-questions?sdsr

RMS's comments in a recent Slashdot interview are worth noting: http://features.slashdot.org/story/13/01/06/163248/richard-stallman-answers-your-questions?sdsrc=popbyskid http://features.slashdot.org/story/13/01/06/163248/richard-s... "What project is using the wrong license? by gQuigs ... RMS: If I could magically change one program to GPLv3, it would be Linux. ... Another program that is important to convert is LibreCAD. This is more than a fantasy: the developers of LibreCAD are working on replacing the old GPLv2-only code that they included, so as to switch to GPLv3-or-later. Would you like to help?"