Data Access Worldwide of Miami, USA is the company behind the languagestudio and haslanguage and buildbuilt its business up around the console mode [[DataFlex]] language which was released prior to DOS and competed with DBase2 in early microcomputer technology. The first attempt at a windows product was ''DataFlex for Windows'' which failed as it was a sort of windows bolted on top of DOS product. Then they released Visual DataFlex 4.0 in 1997 which allowed users to write native 32 bits Windows applications. Every 6 months a new revsion level is released. Visual DataFlex is now in revision 14, named VDF 2008, and features a datadictionary layer of business rules which is of dual use with the windows product and the webapp extension.
