I have programmed in the following languages​​

APL

• IBM
  

Ada

Advanced Data Entry (ADE)

• Cogar-Friden Singer-I.C.L

Assembler

• IBM / Burroughs / Univac / Honeywell Bull / NCR / Data General / DEC / Northern Telecom / Nixdorf / Kienzle / Interdata / HP / Fujitsu / Cogar-Friden Singer-I.C.L

Clipper

Algol

B

Basic

• IBM / Tektronix / HP / Phillips / Olivetti / Sharp

C / C++

Cobol

• IBM / Burroughs / Univac / Honeywell Bull / NCR / Data General / DEC / Northern Telecom / Nixdorf / Kienzle / Interdata / HP / Fujitsu / Interdata
  

Cristal Boriar

dBase II / dBase III / dBase IV

Eiffel

Event Driven Language (EDL)

• IBM Series/1

Fortran IV

• IBM

FoxBase / FoxPro

HTML

JCL

• IBM

Lisp

• Interdata / DEC / IBM

Machine code

• IBM / Burroughs / Univac / Honeywell Bull / NCR / Data General / DEC / Northern Telecom / Nixdorf / Kienzle / Interdata / HP / Fujitsu / Cogar-Friden Singer-I.C.L / Wang / Phillips

Macro Assembler

• IBM / Burroughs / Univac / Honeywell Bull / NCR / Data General / DEC / Northern Telecom / Nixdorf / Kienzle / Interdata / HP / Fujitsu

Pascal 

• IBM

PHP

PL/1

• IBM

RPG / RPG II

• IBM

Visual Basic