Related:

• copyleft: /kop'ee-left/ [play on `copyright'] n. 1.
  The copyright notice (`General Public License') carried by {GNU} {EMACS} and other Free Software Foundation software, granting reuse and reproduction rights to all comers (but see also {General Public Virus})....
• General Public Virus: n. Pejorative name for some versions of the {GNU} project {copyleft} or General Public License (GPL)
  which requires that any tools or {app}s incorporating copylefted code must be source-distributed on the same counter-commercial terms as GNU stuff....
• General Public Virus n. Pejorative name for some versions of the GNU project copyleft or General Public License (GPL)
  which requires that any tools or apps incorporating copylefted code must be source-distributed on the same anti-proprietary terms as GNU stuff....
• GNU: /gnoo/, *not* /noo/ 1. [acronym: `GNU's Not UNIX!
  ', see {{recursive acronym}}] A UNIX-workalike development effort of the Free Software Foundation headed by Richard Stallman &l...
• copycenter n. [play on `copyright' and `copyleft'] 1.
  The copyright notice carried by the various flavors of freeware BSD....
• GPL: /G-P-L/ n. Abbreviation for `General Public License' in widespread use
  ee {copyleft}, {General Public Virus}. -- The AI Hackers Dictionary...
• PD /P-D/ adj. [common] Abbreviation for `public domain', applied to software distributed over Usenet and from Internet archive sites.
  Much of this software is not in fact public domain in the legal sense but travels under various copyrights granting reproduction and use rights to anyone who can snarf a copy....
• GPL /G-P-L/ n. Abbreviation for `General Public License' in widespread use
  ee copyleft, General Publi...
• GNU /gnoo/, not /noo/ 1. [acronym: `GNU's Not Unix!
  ', see recursive acronym] A Unix-workalike development effort of the Free Software Foundation headed by Richard Stallman &l...