Derive (1994) 4 Mathematics DOS

Derive was a computer algebra and graphing system, developed as a successor to muMATH by Soft Warehouse, Inc. in Honolulu, Hawaii, now owned by Texas Instruments. Derive was implemented in muLISP, also by Soft Warehouse. The first release was in 1988 for DOS. It was discontinued on June 29, 2007 in favor of the TI-Nspire CAS. The last and final version is Derive 6.1 for Windows.

• 2.x
• 3.x

DeScribe (1991) 0 Word Processor Windows OS2

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.

• 3.0
• 4.0
• 5.0

Direct Access (1988) 1 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)

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

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

Diskette Manager (1988) 0 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

DisplayWrite (1984) 4 Word Processor DOS OS2

DisplayWrite is a word processor that is based on the IBM Displaywriter dedicated word processing system. It directly competed with software ports of dedicated word processors such as the Wang Word Processing System (or its clone MultiMate ), Lanier Word Processing Software, Xerox, DEC, or similar.

• 1
• 2
• 3
• 4
• 4/2
• 5

Dr Solomons Anti-Virus Toolkit (1997) 4 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

DS Manager (1987) 0 Utility DOS

DS Manager is a menu and file management shell for DOS. It features password protection with the ability to display different menus for different users.

• 1.0

DS Recover (1987) 0 Utility DOS

DS Recover, from Design Software, is a set of file utilities for DOS that lets you unerase files and directories, and unformat disks. It competed against the Norton Utilities, PC Tools, and Mace Utilities.

• 2.x

EagleWriter (1983) 0 Word Processor DOS

EagleWriter by Lexisoft is a word processing and office management package that offers flexible print format and output capabilities, macro capabilities, and ease of use. EagleWriter is customized for the Eagle computer function keys and help feature.

• 2.0

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 DOS Manager (1989) 1 Utility DOS

Spinnaker Easy Working DOS Manager is a menu system and file manager for DOS. It was bundled with a number of computer systems including Packard Bell. use of a mouse. It features a customizable application menu, primitive file management, and menu options for the disk utilities commonly included with DOS. It includes built in help, and a tutorial.

• 1.5

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

Easy Working Typing Teacher (1988) 1 Education DOS

Easy Working Typing Teacher is a low cost typist training program released as part of the Spinnaker "Easy Working" product family. Features an on-screen keyboard, built in help, drills, and statistics.

• 1.3

Easy Writer (1982) 2 Word Processor DOS

Easy Writer was one of the first word processors for the IBM PC. It was originally written by John Draper AKA "Captain Crunch", with the PC version published by IBM. EasyWriter 1.x was written in the FORTH programming language and, as the story goes, it was ported to the IBM PC in a matter of days. There was also an Apple II version.

• 1.0
• 1.1
• 1.15
• II

Electric Desk (1984) 0 Word Processor Spreadsheet Communications Database DOS

Electric Desk is an all-in-one integrated word processor, spreadsheet, database, and terminal program. It was first introduced in 1984 as a low-overhead office package targeted at the IBM PCjr, and was offered as a lower cost alternative to Ashton-Tate Framework and Lotus Symphony. Electric desk features windowing, macros, and context sensitive menus. The user interface is a little eccentric. It refers to the program components as "services", and refers to windows as "viewports". OEM bundled PC software.

• 1.x

Electric Pencil (1983) 0 Word Processor DOS

Electric Pencil, which first appeared in 1976 for the MITS Altiar, is the first word processor for home/micro computer systems. It was ported to many other systems, including the SOL-20, NothStar Horizon, and TRS-80. Eventually an enhanced/re-written version was created for the IBM PC.

• PC

Eureka: The Solver (1987) 2 Mathematics DOS

Eureka is a friendly and well-polished equation solver and plotter published by Borland. The software was targeted at both business people and scientists. Not only does it include scientific function, it also includes financial functions. It was notable for having a friendly windowing and menuing interface that let users do multiple things at a time. It competed directly with Mathcard.

• 1.0

Executive Card Manager (1986) 0 Utility Database DOS

Executive Card Manager, from Hewlett-Packard, is a Rolodex-like database for storing contact information. It features the ability to transfer information between other common applications. screen.

• 1.x

Expert Perfect Typing (1988) 0 Education DOS

Expert Perfect Typing, from Expert Software, is a low-end budget typing training program for DOS systems. It features the ability to track the progress of multiple users, has multiple skill levels for both new and experienced typists, and has both lessons and tests.

• 1988

Expert Typing for Windows (1994) 0 Education Windows

Expert Typing for Windows is a budget Windows based typing tutor sold by Expert Software.

• 1.x

Expert Utilities (1990) 0 Utility DOS

Expert Utilities is a rudimentary file manager shell for DOS. It provides an on screen directory listing and a visual command menu. It does not use the mouse.

• 1990

Exploring the IBM PC Network (1985) 0 Education DOS

Exploring the IBM PC Network is an animated guide that demonstrates the general use of IBM's PC Network software.

• 1.00

Exploring The IBM Personal Computer (1983) 0 Education DOS

Exploring The IBM Personal Computer is a tutorial program included with IBM Personal Computers designed to help new users learn how to use their computer. There were different versions for the IBM PC, PCjr, XT and AT computers.

• 1.00
• PCJr 1.00
• AT 1.00
• AT 2.0
• XT 2.00