V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

GPL
       Graphics Programming Language


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

GPL
       General Public Licence (GNU)


The Jargon File (version 4.4.7, 29 Dec 2003):

GPL
 /G?P?L/, n.

    Abbreviation for ?General Public License? in widespread use; see copyleft
    , General Public Virus. Often mis-expanded as ?GNU Public License?.


The Free On-line Dictionary of Computing (30 December 2018):

GPL

   1. General Purpose Language.

   2. ["A Sample Management Application Program in a Graphical
   Data-driven Programming language", A.L. Davis et al, Digest of
   Papers, Compcon Spring 81, Feb 1981, pp. 162-167].

   3. Genken Programming Language.

   4. General Public License.

   [Jargon File]