"As of this week there are now 200 projects that are licensed under th
LGPL v3. The LGPL v3 is a derivative of the GPL v3 that has less
restrictions than the original. Some projects adopted the license
because of this reason"

http://gpl3.blogspot.com/

"The LGPL is primarily used for software libraries, although it is
also used by some stand-alone applications, most notably Mozilla and
OpenOffice.org"

http://en.wikipedia.org/wiki/GNU_Les...Public_License