Turbo C++ had a nice IDE for the time and, I remember OWL, which S5K mentioned. Don’t get me started about MS’s MFC… ugh! *mutters into beard* Borland wrote some really nice tools back then.

Turbo C# lets you build full UML models of your classes and then convert them to application source code—a more full-fledged treatment than the class diagrams available with Visual Studio. You can ...