HyperDOS (1990) 0 Utility PIM DOS

HyperDOS is a simplistic menu shell bundled with Leading Technology PCs and offered as a standalone commercial product. It includes a file manager, built in help, and a number of accessories. It tries to clone the general appearance of the IBM PS/1 shell. Oddly, it starts off in a GUI mode, but all of the tools are text mode programs. Version 2.0 includes the ability to use sound cards.

• 1.x

Microsoft LISP (1985) 1 DOS

Microsoft LISP, originally developed by Soft Warehouse, of Honolulu,is a high-speed LISP interpreter sold alongside Microsoft’s other language products. LISP is a programming language based around symbolic expressions. It was used to develop expert systems and "artificial intelligence" systems. Microsoft LISP features a large number of native functions and includes a debugger.

• 5.x

Microsoft Network Driver Development Kit (1990) 0 DOS OS2

This is a set of development tools used to create network drivers for DOS and OS/2.

• 2.x