DoubleDOS (1984) 0 Utility DOS

DoubleDOS is a simple and easy to use multitasking tool for DOS. It can preemptively run up to two DOS programs at a time. Its main advantage is that it requires very little RAM overhead compared to other multitasking or task switching environments. Because DOS programs can and usually do bypass OS calls, many programs must be "patched" in order to work. things at once, then this would have been a good choice. Reportedly, the first version may have worked with DOS 1.x.

• 2.x
• 4.02

DoubleTools for DoubleSpace (1993) 0 Utility DOS

DoubleTools is a set of Windows-based utilities that adds functionality to DoubleSpace, included with MS-DOS 6.0.

• 1.0

DR Graph (1984) 0 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 Solomons Anti-Virus Toolkit (1997) 0 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) 8 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

DS Backup (1986) 1 Utility DOS

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.

• Plus 1.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 Optimize (1988) 0 Utility DOS

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.

• 2.x

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

DVMpeg (1999) 2 Video Audio Windows

DVMpeg, from Darim Vision Co., Ltd, is an MPEG encoder that can convert Windows AVI files to MPEG.

• 5.0

Easy Access Menu System (1989) 0 Utility DOS

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.

• 5.x

Easy Working DOS Manager (1989) 0 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

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

EasyFlow (1991) 0 Presentations DOS

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

• 7.0

Encore (1991) 1 Audio DOS Windows

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.

• 2.x
• 3.x

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

Executive Systems HOT (1986) 0 Utility DOS

HOT, from Executive Systems - the makers of XTREE, is a highly configurable menu shell for the IBM PC, with built-in "hot menus" for common DOS functions. It features a pop-up file browser, a small text editor, the ability to feed keystrokes to applications, and automatically sets up known programs found on your hard drive.

• 3.0

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

EZ-DOS-IT (1986) 0 Utility DOS

EZ-DOS-IT was a very low-cost low-resource multitasking program for DOS on the IBM PC and compatibles. It claimed compatibility with most popular software of the time. However, the initial 1.0 release had serious bugs, was copy protected, and was not compatible enough for many people. Although these issues were quickly fixed and copy protection removed, it earned them bad reviews.

• 4.x

EZ-Drive (1996) 1 Utility DOS

EZ-Drive is a hard disk partitioning tool bundled with new hard drives. It detects, partitions, formats drives, and installs BIOS overlays, all in one easy to use program. Such setup programs were often necessary due to the complexity of BIOS size limitation and the skyrocketing size of new hard drives. EZ-Drive is similar to Ontrack Disk Manager.

• 8.x

EZ-Tape (1992) 0 Utility Windows DOS

EZ-Tape backup system for Windows and DOS.

• 3.x (Win)
• 3.x (DOS)

Failsafe Computer Guardian (1992) 0 Utility DOS

Failsafe Computer Guardian is a DOS TSR utility that prevents programs or other users from accessing or making changes to designated files on the hard drive. It includes password control, user groups, logging, keyboard locking, screen blanking, and support for Microsoft windows. Notably, it can do all of this with minimal DOS memory overhead, only 14k of RAM.

• 1.x

Fast Graphs (1983) 0 Presentations DOS

Fast Graphs is a graphing/charting program that supports CGA graphics. It runs on an IBM PC or compatibles running DOS 1.1x or DOS 2.x.

• 1.1

FastBack (1986) 2 Utility DOS

Fastback, by Fifth Generation Systems, Inc, is a backup utility for DOS. Its key feature is that it can read and write both a floppy disk and hard disk at the same time by making use of dual-channel DMA. Combined with speedy data compression, it can make a very fast backup.

• 5.x
• Plus 1.x
• Plus 2.x
• Plus 3.x
• Plus 6.x

FastTrax (1987) 1 Utility DOS

FastTrax is a disk optimization program for MS-DOS on IBM PC computers. It rearranges and defragments files to make file access faster.

• 3.x
• 4.x