itwbennett writes "Use of the GPL, LGPL, and AGPL set of licenses is declining at an accelerating rate, according to new analysis by the 451 Group's Matthew Aslett. In fact, the 451 Group projects that GPL usage will hit 50% by September 2012. Instead, developers are licensing projects under permissive licenses such as the MIT, Apache (ASL), BSD, and Ms-PL. The shift started in 2007 and has been gathering momentum ever since. Blogger Brian Proffitt posits that 'the creation of the GPLv3 and the sometimes contentious discussion that led up to it' may be partly responsible for the move away from the GPL."