Death Rally (1996) 1 DOS

Death Rally is a top-down view racing game. The object of the game is to stop your opponents winning by shooting them. To progress through the game weapons and enhancements for the cars are needed.

• 1

DEC Rainbow Learn Rainbow tutorial (1983) 0 CPM

This is a tutorial program included with DEC Rainbow computers. The DEC Rainbow is a non-IBM compatible MS-DOS computer. This program is for the CP/M-86 operating system.

• 1

DEC Rainbow Winchester Diagnostics 2.1 (1983) 0 CPM

Hard disk diagnostics and utilities for the DEC Rainbow computer. The DEC Rainbow is a non-IBM compatible MS-DOS computer. This program is for the CP/M-86 operating system.

• 2.x

Decision Pad (1989) 0 Database DOS

Decision Pad, from Apian Software, is a decision support tool that uses a decision matrix approach. It also supports a three-dimensional decision matrix for group decisions, and can import/export data from Lotus 1-2-3 files. It competed against a similar tool called "Prism".

• 2.x

DECTalk PC (1993) 0 Utility DOS

DECTalk was a text to speech system used in automated telephone, radio, and TV systems. It was notably used as an artificial voice by Stephen Hawking. Most DECTalk devices were standalone serial devices, however DEC did produce an ISA expansion card for the IBM PC that contained this functionality. This software is required to operate these ISA cards.

• 4.x

DeLorme Street Atlas (1991) 2 Reference Windows

Back before MapQuest or Google Maps, people could own an entire USA road map on a CD-ROM. DeLorme Street Atlas was one of the most popular road mapping products. You can search for street names or by phone number and zoom in on local neighborhoods. enabled users to create customized maps. focused on road maps. Later it competed with Microsoft Expedia Streets and Rand-McNally Route Planner.

• 1.0
• 2.0
• 4.0
• 5.0

DeltaGraph (1992) 0 Presentations Graphics MacOS Windows

DeltaGraph, originally from DeltaPoint and later SSPS, was a powerful business and scientific statistical graphics package for the Apple Macintosh and Microsoft Windows. graphics-only packages like Excel.

• 2.x
• 3.x
• 4.5

Deluxe Scrabble for Windows (1992) 0 Windows

Based on the Scrabble word board game. Can play with up to 4 people, or a combination of computer players.

• 1.0

DeluxePaint (1988) 4 Graphics DOS

DeluxePaint, from Electronic Arts, is a bitmap pixel graphics editor that was ported to DOS from the Amiga.

• 1.x
• 2.x

DeluxePaint Animation (1990) 0 Graphics DOS

DeluxePaint Animation is a raster based animation program based on the DeluxePaint painting program. It features ease of use, powerful drawing functionality, and a playback utility. As a DOS program, it was limited to 640k and 320x200 resolution in 256 colors.

• 1990

Deneba Canvas (1994) 0 Graphics Publishing Windows

Deneba Canvas is a shape based drawing and illustration program for the PC and mac. Unlike other publishing programs of the time, Canvas combined the ability to use vector graphics and raster images. It could also function as a word processor.

• 3.x
• 5.x

DesignCAD 2D (1988) 0 Graphics Engineering DOS

DesignCAD is a low end, but well featured, drafting program. It was sometime a companion product to DesignCAD 3D.

• 3.x
• 5.x

DesignCAD 3D (1987) 1 Graphics Engineering DOS

DesignCAD 3D is a powerful, easy to use, and low cost DOS based CAD program that claimed to have all of the features of the more expensive CAD programs. It competed against low-cost CAD programs such as TurboCAD, Generic CADD, and Drafix. It was sometimes sold alongside DesignCAD 2D

• 1
• 4.x

Deskman/2 (1995) 1 Utility OS2

DevTech's Deskman/2 is a set of desktop and system management tools for OS/2. It contains data compression tools, networking tools, performance monitoring tools, and desktop management tools.

• 1995

dGraph (1985) 0 DOS

dGraph is a dedicated graphing package specifically designed to create graphs and charts from data stored in dBase databases. Fox and Geller also produced an almost identical product named RGraph, designed specifically for creating charts using R:Base databases.

• 1.x

Diagnostics for the Texas Instruments Professional Computer (1982) 0 DOS

This is the diagnostics test disk for testing the Texas Instruments Professional Computer. compatible computer that runs an adaptation of MS-DOS and CP/M-86.

• 1.x

Diagram-Master (1985) 0 Presentations DOS

Diagram-Master, from Decision Resources and later Ashton-Tate, is a graphics tool specifically geared toward making organization and Gantt charts. It can produce very high-quality presentation graphics using laser printers and plotters. Supports CGA, EGA, and the IBM Professional Display. This program was also bundled in the Master Graphics Presentation Pack.

• 5.x

Diagraph (1986) 0 Graphics DOS

Diagraph, from Computer Support Corporation, is a program that lets users assemble presentations, charts, and graphs from a very large library of predefined symbols.

• 3.5

Digital Research C (1984) 1 DOS CPM

Digital Research C is a compiler developed for use with Digital Research's CP/M systems. It was also ported to DOS.

• 1.x

Digital Research PL/I Compiler (1983) 0 DOS CPM

PL/I is a programming language oriented towards scientific and business programming. Digital Research provided implementations for their CP/M operating system as well as MS-DOS.

• 1.x

Digital UNIX (1995) 0 Unix

Formerly OSF/1, in 1994 after the Open Software Foundation (run by DEC, IBM, and HP) ceased involvement, Digital Equipment Corporation renamed the OS to "Digital UNIX". In 1998, DEC was bought out by Compaq and the product was again renamed, to Tru64 UNIX.

• 3.2B
• 3.2G
• 4.0B
• 4.0D
• 4.0E

Digitalk Smalltalk/V (1986) 1 DOS Windows OS2

Smalltalk/V was the first widely available version of Smalltalk. It was developed by Digitalk in 1986 for DOS, Macintosh, and later Windows.

• 1.2 (DOS)
• 2.x (Win)
• 1.x (OS/2)

Dilbert Break A Day (1997) 3 Novelty Windows MacOS

Released in 1997 by DayBreak Software, Break A Day is a calendar that shows a different Dilbert comic every day. Includes a 16-bit Windows 3.1 version, 32-bit Windows 9x/NT version, and a Mac version.

• 1

Direct Access (1988) 2 Utility DOS Windows

Direct Access is an easy to use menuing program designed to simplify access to applications on systems with many programs loaded on the hard drive. It is customizable, includes screen blanking, and includes password protection and usage logging. Later versions also detect common programs already installed on the hard disk.

• 4.x
• 5.x
• 1.0 (Win)

Disk Technician (1987) 6 Utility DOS

Disk Technician, from Prime Solutions Inc., is a hard disk utility and surface monitor. It contains an interleave adjuster and pattern tester similar to Spinrite. The Gold version also includes a defragmenter and disk-level virus protection.

• 4.x
• Advanced 3.x
• Gold 1.x