Sept 3, 2003
Free Software Licensing in Context
The GPL and the LGPL
The GNU General Public License (GPL)
The most popular Free Software license.
Written in plain English
The GNU Lesser General Public License (LGPL)
Commonly used for libraries
Limited copyleft allows linking to non-LGPL software
Copyright © 2003, Free Software Foundation. Verbatim copying permitted provided this notice is preserved.