RPG | 1959 | Business Data Processing | Report Generators | United States | Report Program Generator |
RPG II | 1965 | Business Data Processing | Report Generators | United States | RPG with subroutines and extended IO |
RPG III | 1968 | Business Data Processing | Report Generators | United States | |
RPG/360 | 1961 | Business Data Processing | Report Generators | United States | RPG for the IBM 360 |
RPG/400 | 1990 |