From the beginning starting in 1966 (as much as I can remember): IBM 1401/1410 assembler; FORTRAN II; FORTRAN IV; COBOL-68; TRAK; BASIC; GECOS Assembler; B; BCPL; C; DEC BLISS-10; Honeywell Multics PL/I; TECO; EMACS LISP; MacLisp; Common Lisp; Postscript; PL/I subset G; C++; Java; Forth; SQL; Python; Javascript; XSLT (and related); F#; Haskell; Go