DacEasy Accounting (1987) 3 Financial DOS Windows

DacEasy was the first company to offer affordable accounting software geared towards the small business. It was first released in 1985 and had gone through many DOS revisions at the time the Windows version was released.

• 2.0 (DOS)
• 4.x (DOS)
• 1.0 (Win)

Dan Bricklin's Demo (1988) 0 Presentations DOS

Dan Bricklin's "Demo" is a tool for creating tutorials, interactive application demonstrations, and interface prototypes. It has a powerful scripting system, with the ability to store and manipulate both text and graphics screens, and a redistributable runtime. author of VisiCalc. Demo was first released in 1985 by Dan Bricklin's consulting firm Software Garden. It was later sold under Peter Norton Computing, and then Sage Software.

• II v2

Dashboard (1992) 0 Utility Windows

Dashboard for Windows, originally from HP, is a convenient push-button utility which gives you quick access to and maximum control over your Windows programs. and buttons for launching programs. Drag-and-drop support for printing, plotting, and faxing. Miniature screens that make it easy to work with several full-screen programs at once. An alarm clock with a built-in snooze alarm. And "At a glance" feedback to let you know which programs are running and how much memory you are using. It has a resemblance to the Unix Common Desktop Environment toolbar.

• 1.0
• 2.x
• 3.0
• 95

Davong Hard Disk Controller Drivers (1982) 0 DOS

This is the driver software used to configure and access a Davong internal hard disk controller for the IBM PC. This controller was significant as being one of the few hard disk systems accessible under DOS 1.x. system instead partitions the disk in to several smaller drives.

• 2.4
• 2.5

DEC OSF-1 (1991) 6 Unix

DEC OSF-1 was a version of UNIX from DEC built on the Mach kernel. It was first developed for MIPS based DECStations, and then ported to 64-bit DEC Alpha (AXP). It was later renamed to Digital Unix, and then again to True64 Unix.

• 1.x
• 2.x

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

DeLorme Street Atlas (1991) 4 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

Deluxe Scrabble for Windows (1992) 2 Windows

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

• 1.0

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

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

Digital Research PL/I Compiler (1983) 2 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

Disk-Count Software The Spreadsheet (1988) 0 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

DiskClone (1998) 6 Utility DOS

DiskClone, from Quarterdeck, is a simple, professional, small, powerful, and easy to use hard disk cloning tool. It can copy a drive to another internal or external drive of different sizes. It can be used as a backup, or a migration tool to a new drive. It all fits on a single floppy disk. "Corporate" editions.

• 1.0

DiskDoubler (1990) 0 Utility Archive MacOS

DiskDoubler is an automated file compression program for the Apple Macintosh. It does not compress the entire drive, but rather specified files. It automatically compresses and recompresses files as you use them.

• 3.x

DiskLock (1993) 0 Utility DOS Windows

DiskLock, From Fifth Generation Systems, and later from Symantec as Norton DiskLock, is a data security tool that can lock a hard disk or individual files or directories so that it requires a password to access any data. It can also log activity to detect unauthorized access attempts. It also features the ability to lock the system after an idle usage period. There were versions for PC and Mac.

• 2.x
• 3.x

Disney Animation Studio (1992) 0 Graphics DOS

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

• IBM (1992)

Display Enhancement Package for TI-99/4a (1982) 0 Other

The Display Enhancement Packageby OAK Tree Systems This is a library that permits easy access to the the TI-99/4a 40-colum video text mode.

• 1982

DIV Games Studio (2000) 0 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

DOOM (1993) 27 DOS

Doom is the original fully immersive 3-D first person shooter from ID software.

• Alphas
• 1.0
• 1.1
• 1.2
• 1.25

DOS Plus (1986) 3 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) 5 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

DosFax (1992) 0 Communications DOS

Delrina DosFax is a DOS based program for sending and receiving faxes via a modem that has fax capabilities. This software was often bundled with modems or PCs. It was often accompanied by Delrina WinFax.

• 2.0

Double Helix (1986) 1 Database MacOS

Helix/Double Helix is an easy to use relational database for the Apple Macintosh. It features a visual programming system, and options for multiuser over AppleTalk.

• 1.0