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) 1 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

DeluxePaint Animation (1990) 2 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

DesignCAD 2D (1988) 3 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

Diagnostics for the Texas Instruments Professional Computer (1982) 2 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

Digital Research C (1984) 0 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) 4 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

Digitalk Smalltalk/V (1986) 3 DOS 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)
• 1.x (OS/2)

Direct Access (1988) 29 Utility DOS

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

Disk Technician (1987) 1 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

Disk-Count Software The Spreadsheet (1988) 2 Spreadsheet DOS

This is a low-end spreadsheet program from Disk-Count software, a vendor notable for their budget software titles. "This program is designed for the first time user with the capability for more advanced users. A spreadsheet is ideal for calculating any set of numbers that you normally would do by hand. Some of the uses are for preparing home budgets, calculating financial payments, tracking car expenses, and creating statistical models."

• 1.x

Diskette Manager (1988) 2 Utility DOS

Diskette Manager, from BLOC publishing, previously from Lassen Software, is a software tool for the IBM PC and Tandy that inventories the contents of your floppy disks in to a database. It enables you to quickly and easily search for files or print disk labels.

• 3

Disney Animation Studio (1992) 1 Graphics DOS

Disney Animation Studio is an animation graphics tool, that originated on the Amiga. It supports multiple VGA resolutions.

• IBM (1992)

DIV Games Studio (2000) 4 DOS

DIV Games Studio, from Hammer Technologies, is an all-in-one software program for DOS for creating your own (DOS) games, using a programming language similar to C or Pascal. The software includes an integrated development environment with code editor, graphics editor and sound editor.

• 1.x

DOS Plus (1986) 0 DOS

Digital Research's DOS Plus was an intermediate product between CP/M-86 and DR-DOS. It can run both CP/M-86 and MS-DOS programs, and read both disk formats. It is essentially a stripped down version of Concurrent DOS that keeps the DOS compatiblity.

• 1.x
• 2.x

DOS USB Support (2001) 8 DOS

Yes, there are USB drivers for DOS... Miracle-driver from Panasonic Japan does the unthinkable Before you start scratching your head, let me repeat that this is not related to your favorite linux distro's or Windows XP/W2K/98/ME's USB support, this has to do with people like me, booting some flavor of DOS to copy files around or using DOS-based partition back-up software.

• 1.x

DR DOS (1990) 27 DOS

DR DOS is an MS-DOS compatible operating system from Digital Research that evolved from their earlier CP/M-86 based products Concurrent DOS and DOS Plus.

• 5.x
• 6.x
• 7.x
• 8.x

DR Draw (1983) 1 Graphics DOS CPM

DR Draw is a shape-based drawing program that uses Digital Research's GSX graphics library, making it portable across CP/M and DOS architectures with different video systems.

• 1.x

DR Graph (1984) 3 Presentations DOS CPM

DR Graph is a business graphics creation program. It can create line, bar, pie, and scatter graphs and print them on a graphics printer. DR Graph is implemented using Digital Research's GSX graphics library, and can run on many different platforms.

• 1.x

Dr Halo (1985) 4 Graphics DOS

Dr Halo, by Media Cybernetics, is a DOS based image editor. It was sometimes distributed as a value-added tool with mice or video cards. Its image editing capabilities were fairly weak, and its main strength came from its adaptability to new hardware, positioning it mainly as an entry-level product provided with new hardware.

• II
• III
• IV

Dr. Sbaitso (1992) 11 Novelty Audio DOS

Dr. Sbaitso is a simple AI program, similar to the famous "Eliza", that makes use of text-to-speech software. Distributed as a demonstration application with Creative Labs Sound Blaster cards.

• 2.x

DRI Access Manager (1986) 2 DOS

Access Manager is a database programming library sold by Digital Research. It supports key fields, b-tree indexes, record locking, and deleted records. It is designed for use with Digital Research language products including DR C, CBASIC, PL/I, and Pascal MT+, and may be used alongside the Display Manager programming libraries. There were versions for both CP/M and MS-DOS.

• 1.x

DRI Display Manager (1983) 0 DOS

Display Manager is a programming library from Digital Research that abstracts the physical display or terminal type from the application. It is designed for use with Digital Research language products including DR C, CBASIC, PL/I, and Pascal MT+, and may be used alongside the Access Manager programming libraries. There were versions for both CP/M and MS-DOS.

• 1.x