Emacs Lisp
Author: Gnu Project Manual: https://www.gnu.org/software/emacs/manual/html_mono/elisp.html Wikipedia: https://en.wikipedia.org/wiki/Emacs_Lisp Family: ScriptLanguage Platform: Gnu Emacs and others License: GPL
A version of LISP based on MacLisp?, and used as the underlying language in Gnu Emacs. Gnu Emacs is essentially a Lisp interpreter, and most of the editor is written in the elisp dialect it implements. Other versions of Emacs may use other flavors of Lisp.