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.

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.

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.

DrawPerfect, from WordPerfect Corp., is a vector based drawing program with graphing functionality used for making slides and presentations. It was later replaced with WordPerfect Presentations

DS Backup Plus is a simple hard disk backup utility. It was not as full featured or robust as other backup products, but it got the job done. Backups can be done from within the program or from the command line. It supports wildcards, filespec inclusion/exclusion, backup to any DOS drive type, automatic disk formatting, incremental backups, and claims to be faster than DOS backup and restore.

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.

DS OPTIMIZE is a disk defragmenter tool. It has a few more options than its competitors, and has a "fast" mode that does not protect against interruptions. This tool competed against Mace Utilities, The Norton Utilities, PC Tools, and many smaller defragmenter tools.

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.

DS Squeeze, from Design Software, is a file compression tool. It features a full screen file manager with a directory tree. Although it is not a tool that compresses an entire drive, it boasts the ability to launch executable files even after they are compressed.

EagleCalc is an electronic spreadsheet for working with tabular data consisting of 255 rows and 64 columns. It was based on Lattice Inc's Ultracalc, a spreadsheet for CP/M systems, and designed to emulate VisiCalc and Microsoft Multiplan.

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.

Easy Access Menu system, from TengWare, is a customizable menuing system for DOS that features a built in calendar. It is shareware, but there are few archived versions of it out there.

Easy Working Desktop Publisher is a rebranded version of PFS:First Publisher. PFS:First Publisher and the other PFS titles were acquired from Software Publishing Corp by Spinnaker Software in 1991.

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.

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.

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.

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.

EasyCAD is an easy to use, low cost, 2D CAD program targeted at casual CAD users. EasyCAD features wide range of drawing commands, and a sophisticated programming language similar to AutoCAD's AutoLISP. EasyCAD competed against other low coast 2D programs such as Autodesk AutoSketch. with many more features, but similar appearance to EasyCAD.

EasyFiler is a flat file database from Information Unlimited Software, the publishers of EasyWriter. Although flexible, and powerful enough for the time, it was criticized as not nearly as easy as the name might suggest.

EasyFlow was one of the fist diagramming and flow charting programs for PCs. It was produced by the Canadian based company HavenTree Software Limited.

"EasyPlanner is a programmable electronic worksheet capable of representing complex financial relationships in a relatively simple form. It allows you to change any figures comprising these relationships, and then instantly see the effects of these changes. You can ask "what if..." and then immediately see the result. With EasyPlanner you can easily handle projects such as company financial profiles, investment projections, and budgeting.

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.

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.

Enable, from The Software Group, is an integrated office suite that includes a word processor, spreadsheet, telecommunications program, and database. It was designed to compete with Lotus Symphony, and was sometimes bundled with Zenith computers.

Encore, from Passport Designs, is a music program that originated on the Atari ST in 1984. It enables writing and editing music using traditional notation format. It can import and export to a number of sources and supports MIDI playback. enable items in the musical score to be added and edited using the mouse.