ACUCOBOL-GT (Acu) is a COBOL programming language and development environment for businesses. It integrates COBOL with various platforms, including Windows, .NET, and Java. The language features extensions that allow developers to create native code applications on these platforms without relying on emulation layers or middleware. ACUCOBOL's graphical development tools support rapid application design, code generation, debugging capabilities, and integration with other technologies in the business environment.