It's a mix of C++, Python and Perl, plus writing documents in LaTeX, Org-Mode, etc. I enjoy programming in Common Lisp, too, but that's something I do mostly fo

It's a mix of C++, Python and Perl, plus writing documents in LaTeX, Org-Mode, etc. I enjoy programming in Common Lisp, too, but that's something I do mostly for pleasure. GNU Emacs has good support for programming in Common Lisp via SLIME.