Autodesk AutoCAD (1984) 26 Graphics Engineering Unix

AutoCAD, from Autodesk and first released in 1982, is a powerful Computer Aided Design tool. It was, and still is, often considered the standard for CAD tools. Primarily for the IBM PC platform, it was ported to x86 machines with higher video resolutions such as the Zenith Z-100 and NEC APC. Intermittently, versions for the Macintosh appeared. Later versions use a dongle copy protection.

• r10 (Unix)

Coherent (1994) 3 Unix

Coherent, from Mark Williams Company, was a compact high speed Unix clone that was ported to a number of architectures including IBM PC.

• 4.x

IBM Architecture And Engineering Series (1989) 0 Engineering Unix

The IBM Architecture and Engineering Series (AES) is a complete, high end, integrated, 3D drafting and information system. Developed by the firm of Skidmore, Owings and Merrill (SOM) for IBM, this 3D Computer Aided Design system meets the needs of architects, engineers, and builders.

• 1.x

Open Genera (1993) 1 Unix

Genera is a commercial operating system and integrated development environment for Lisp machines developed by Symbolics. It is essentially a fork of an earlier operating system originating on the Massachusetts Institute of Technology (MIT) AI Lab's Lisp machines which Symbolics had used in common with Lisp Machines, Inc. (LMI), and Texas Instruments (TI). Genera is also sold by Symbolics as Open Genera, which runs Genera on computers based on a Digital Equipment Corporation (DEC) Alpha processor using Tru64 UNIX. the programming language Lisp. software using a mix of programming styles with extensive support for object-oriented programming.

• 1.0