Autodesk AutoCAD (1984) 15 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)

IBM Architecture And Engineering Series (1989) 2 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

IBM Communications Manager/2 (1993) 2 Server OS2

Communications Manager/2 is a server component for OS/2 1.3 that provides connectivity with IBM mainframes and acts as a gateway for OS/2, DOS, and Windows clients.

• 1.0

Lotus Domino (1993) 0 Communications PIM Server OS2

Lotus Domino, originally called Lotus Notes Server, is the sever software used for Lotus Notes clients. Notes is a powerful e-mail and collaboration tool. It was heavily used by large corporations. Lotus Notes and Lotus Domino competed against Microsoft Outlook and Microsoft Exchange.

• 3.x

Worldgroup Server (1995) 2 Server Unix

Worldgroup Server is a bulletin board system server.

• 1.01