4DOS (2004) 3 Utility DOS

4DOS is a command line interpreter replacement for command.com that adds many new features.

• 7.50

After Dark (1989) 69 Novelty DOS

After Dark, from Berkeley Systems, Inc, is a set of entertaining screen savers for Mac and Windows. After Dark for Windows started off as "Magic Screen Saver" for Windows 2.x. After Dark was most famous for its "Flying Toasters" screen saver. Afterdark was very popular on both the early Macintosh computers and Windows 3.0, as neither included any kind of screen saver or screen blanker that would help prevent screen burn-in.

• 1.0 for DOS

Banner Blue Movie Guide (1991) 1 Novelty DOS

Banner Blue Movie Guide, from Banner Blue Software, is a searchable movie database with built in trivia games.It features entries for more than 9000 popular movies.

• 1.0

Calendar Creator Plus (1990) 8 Novelty PIM DOS

Calendar Creator Plus from Vermont Creative Software/Power Up, and later Spinnaker Software, is a tool for creating printed calendars with different styles and custom lists of events.

• 3.x (DOS)

Change Directory Plus (1993) 0 Utility DOS

Change Directory Plus is a small commercial utility distributed with Softdisk publishing's Big Blue Disk magazine. It indexes all folders on your hard drive, and permits you to change in to a deep subdirectory simply by specifying the final subdirectories name.

• 1.x

Colorado Backup (1996) 8 Utility DOS Windows

Colorado Backup is the software provided with HP Colorado tape drives.

• Set
• 4.x for DOS

DECTalk PC (1993) 4 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

DESQView (1984) 16 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.

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

Direct Access (1988) 11 Utility DOS

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

Disk Technician (1987) 2 Utility DOS

Disk Technician, from Prime Solutions Inc., is a hard disk utility and surface monitor. It contains an interleave adjuster and pattern tester similar to Spinrite. The Gold version also includes a defragmenter and disk-level virus protection.

• 4.x
• Advanced 3.x
• Gold 1.x

Disk-Count Software The Spreadsheet (1988) 3 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) 5 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

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

DiskLock (1993) 1 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) 3 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

• 2.5
• 2.6

DoubleDOS (1984) 9 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

Dr. Sbaitso (1992) 6 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) 0 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) 2 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) 1 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

Easy Working DOS Manager (1989) 4 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

Electric Desk (1984) 1 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

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 File and Calc (1991) 0 Spreadsheet Database DOS

Expert File and Calc is a combination database and spreadsheet targeted at budget home users. It supports importing dBase III databases and Lotus spreadsheets, includes the ability to make reports, and supports Lotus spreadsheet functions. It is a fairly primitive program, and the user interface(s) are very inconsistent.

• 1991