DataKeeper (1999) 1 Utility Windows

PowerQuest DataKeeper 3.0, formerly from HighPoint Technologies, is a powerful real-time backup program. It features the ability to continuously monitor backups, works with any removable media, compression, and registry protection.

• 3.0

DataPerfect (1993) 4 Word Processor Database DOS

DataPerfect, originally written by Lew Bastian, published through WordPerfect Corp, and later through Novell, was a fast, memory efficient, but capable relational database for DOS. WordPerfect Corp sold the product alongside their other DOS based office products, such as WordPerfect and PlanPerfect. In 1995 Novel released DataPerfect as freeware and development was continued by its original author until about 2008.

• 2.x

dBASE (1983) 24 Database DOS Windows

Ashton-Tate dBase was an early popular database management system for CP/M and MS-DOS. It was regarded as one of the killer applications for CP/M, and achieved good success. At the time of conception Ashton-Tate was a garage based company but quickly grew.

• IV v1.5
• IV v2.0
• 5.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

DeScribe (1991) 1 Word Processor OS2 Windows

DeScribe is a word processor with some advanced features primarily for OS/2. Later, it was made available for Windows 3.1, 95, and NT.

• 4.0
• 5.0

Deskman/2 (1995) 0 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

DESQView (1984) 6 Utility DOS

DESQView, from Quarterdeck, was a DOS application multi-tasker and in later versions functioned as an X client for applications on remote UNIX systems. It competed against IBM Topview. The original DESQ was just a task switcher, but subsequent versions offered preemptive multitasking of well behaved DOS programs on real-mode 8088 PCs. It gained popularity when DESQView 386 added virtual x86 support. This enabled the ability to multi task many poorly behaved programs, and was often used on BBSes due to its excellent COM port handling. It was later overtaken by OS/2 and Windows.

• DESQView X 1.x
• 2.x
• DESQView X 2.x

Dilbert Break A Day (1997) 1 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) 0 Utility 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.

• 1.0 (Win)

DiskClone (1998) 0 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

Diskeeper (2001) 0 Utility Windows

Diskeeper is a professional disk defragmenting tool with versions for both 9x and NT. It includes features such as scheduling and background defragmentation.

• 6.0

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

DoubleDisk (1991) 0 Utility DOS

First released in 1989, DoubleDisk was the first real-time drive compression product for DOS. It is a fairly no-frills program and sticks to what it does best. It was relatively low cost compared to its later competitors. and Expandz! Plus

• 2.6

Dr Solomons Anti-Virus Toolkit (1997) 1 Utility Windows

Dr Solomon's Antivirus was a top rated commercial virus scanning suite. There were versions for DOS, Windows 3.1, 95, 98, Novell, SCO Unix, Solaris, and OS/2.

• 7.x

Dr. Sbaitso (1992) 2 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

Easy Working (1992) 0 Word Processor Windows

Easy Working for Windows Word Processor, from Spinnaker Software, is a budget word processor for Microsoft Windows. It offers basic text editing and formatting, but not much else.

• 1.x

Easy Working Tri-Pack (1992) 0 Word Processor Spreadsheet Database DOS

The Easy Working Tri-Pack, from Spinnaker Software, is a bundle of three budget productivity applications from Spinnaker Software. It includes Easy Working The Writer - a word processor, Easy Working The Filer - a database, and Easy Working The Planner - a spreadsheet. These applications boast ease of use with a friendly menu interface wile remaining full-featured.

• 1992

EasyDesktop (1994) 0 Utility Windows

EasyDesktop, from MicroSeconds International, is an alternative desktop shell for Microsoft Windows that uses a more compact text-based file list and integrates its own file manager.

• 5.0

Expert Astrologer (1993) 0 Novelty DOS

A computerized tool from Expert Software for displaying your personalized daily horoscope. It can also interpret your personality traits, values, temperament, attitudes, adaptation, [and gullibility]. Plots trends in business, fitness, creativity, and social activities. Prints chart wheels, calculates planet positions, [and empties your wallet.]

• 1993

Expert Astronomer (1992) 3 Reference Novelty DOS

Expert Astronomer from Expert Software is a budget star chart with a large number of features. Database includes around 9000 objects including stars, constellations, and planets.

• I

Expert Dream Interpreter (1999) 0 Novelty Windows

Dream Interpreter is a program for recording and analyzing dreams. It contains a large database of dream symbols and interpretations and can analyze trends over time.

• 1999

Expert Perfect Forms (1990) 0 Database DOS

Expert Software's Perfect Forms is a budget form creation and data entry tool. It comes with a large number of ready-to-use forms for a variety of business needs. You can customize existing forms, or create new ones.

• 3.00

Expert Personality Expert (1992) 0 Novelty DOS

Personality Expert is a budget title from Expert Software, where "Dr. Expert" quizzes you about your personality to make various suggestions and predictions.

• 1992

Expert Pet Care (1992) 0 Reference Novelty DOS

Expert Pet Care, from Expert Software, is a budget title for the IBM PC. "Expert Pet Care is your complete guide to your pet's health and upkeep. Developed by a practicing veterinarian, Expert Pet Care offers valuable information and advice on nutrition, exercise, emergency care, behavioral problems, training, and medication. It also includes special tips on training, diet and grooming, plus produces pedigree and descendants charts. You can lean about the various breeds of dogs and cats, and even view pictures of them! Expert Pet Care contains information on over 150 different breeds. You'll learn about each breed's physical attributes, history, and special care considerations. Expert Pet Care Provides vital emergency health care do's and don'ts which may literally save your pet's life. You can easily create a medical history for your pet. Expert Pet Care tracks information such as vaccinations, allergies, surgery and more. All you have to do is fill in the blanks. Expert Pet Care is simple to use - it's arranged like a stack of index cards that can flip through at your own pace, and in the order you like!"

• 1992

Expresso Calendar and Address Book (1994) 0 PIM Windows

Expresso is a budget Personal Information Manager from Berkeley Systems, makers of the After Dark Screensaver series. Expresso provides modules for managing Calendars, Notes, Address Books, and To-Do Lists. It also includes a selection of colorful visual themes and alarms with sound effects.

• 1.0