GNU General Public License
Software license
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The GNU General Public License is a series of widely used free software licenses, or copyleft, that guarantee end users the four freedoms to run, study, share, and modify the software. Wikipedia
Author: Richard Stallman
Latest version: 3
Linking from code with a different licence: Software licensed under GPL compatible licenses only, depending on the version used.
Published: 25 February 1989; 35 years ago
SPDX identifier: GPL-3.0-or-later; GPL-3.0-only; GPL-2.0-or-later; GPL-2.0-only; GPL-1.0-or-later; GPL-1.0-only