GCL

from The Free On-line Dictionary of Computing (8 July 2008)

GCL

   General Control Language.  A portable job control language.

   ["A General Control Interface for Satellite Systems",
   R.J. Dakin in Command Languages, C. Unger ed, N-H 1973].

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

GCL
       GNU Common LISP (GNU, LISP)

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

GCL
       Graphics Command Language