LGPL License

   
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Software Licenses   >   Open Source   >   Licenses   >   LGPL

   
 

LGPL License


The GNU Lesser General Public License (formerly the GNU Library General Public License) - LGPL is a free software licensed devised by the Free Software Foundation. The FSF recommends the use of this license on some, but not all, software libraries, although the license has been used by others both on libraries and on applications (including the popular office software suite, OpenOffice.org).

The principal difference between the LGPL and the GPL is that copyleft restrictions in the LGPL apply to the program itself, but do not apply to other software that merely links with the program, thus allowing LGPL software to potentially be used with both free software and proprietary software. Nevertheless, there are still terms and conditions which apply to the usage of LGPL software, and how it may be combined with other software.

Additionally, the LGPL also includes a special provision that allows anyone to convert any LGPL software into GPL software, which thus allows the reuse of such software directly in GPL projects.

The original version of the LGPL was released in 1991, a revised version of the license was released in 1999, and as with the GPL version 3, a new version is currently under development at the time of writing.

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