Delphi (wiki)
a programming language using turbo pascal syntax predecessor of .net's C# was the perfect RAD development studio for windows applications. attempts at cross platform compilers had limited success as well as the attempts to move into the .net era .net Delphi Studios released were always behind in the .net version support, as well as they were memory hungry and unstable which used to be a known feature of visual studio.
Current version of Delphi 2007 moved back to it's realm of success stable win32 development with support for vista. |