Coherent (1994) 1 Unix

Coherent, from Mark Williams Company, was a compact high speed Unix clone that was ported to a number of architectures including IBM PC.

• 4.x

Colorado Backup (1996) 6 Utility DOS Windows

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

• Set
• 4.x for DOS
• 1.70 for Win 95
• 3.22 for Win 95

Comic Book Creator (1991) 2 Novelty DOS

Comic Book Creator is a graphics program that enables the user to quickly create customized comic strips based on a small predefined set of clip art and backgrounds.

• 1.x

COMPAQ Personal Computer MATCHMAKER (1989) 0 DOS

MATCHMAKER is a floppy disk based customer survey sent to potential Compaq customers. The intent was to collect data about current hardware and software application use for marketing and development purposes. It also provides an interactive overview of then-current Compaq 386 hardware products.

• 1989

Computer Shopper FastFiler (1993) 0 Utility DOS

FastFiler, from Ziff-Davis Publishing Company and Strange Software LTD, is a rudimentary easy to use file manager shell. It was sold alongside Computer Shopper magazines. While it offers a friendlier interface than the DOS command prompt, it has fewer features and abilities than competing file managers.

• 1.x

Connectix RAM Doubler (1996) 1 Utility MacOS Windows

RAM Doubler is a utility for Windows 3.1 that uses advanced resource management and memory compression techniques to allow more applications to run side by side. It was designed to be simple and easy to use compared to some competing programs. It competed against similar tools such as SoftRam, Hurricane, and MagnaRam

• Mac OS
• Windows 3.x

Conner Backup Basics (1993) 2 Utility DOS Windows

Conner Backup Basics is a dumbed down version of Conner Backup Exec that only works with their tape drives. This software will not run at all without the appropriate tape drive attached.

• 1.1 (DOS)
• 1.2 (Win)

Control Room (1990) 0 Utility DOS

Control Room is an all-in-one resident system information and configuration tool. It includes a number of disk utilities such as undeleting, wiping, and encrypting files. It can scan files and detect unwanted changes. Control Room can change system settings such as keyboard repeat rate and supports creating keyboard macros.

• 1.0

CopyWrite (1990) 0 Utility DOS

CopyWrite is a disk duplicator that can duplicate disks with many advanced copy protection schemes using a standard IBM PC floppy drive and controller.

• 1990

Correct Grammar (1989) 0 Word Processor Utility DOS Windows

Correct Grammar is a grammar checking and analysis tool for DOS. Correct Grammar incorporates technology from the Houghton Mifflin CorrectText system.

• 2.x
• 2.x (Win)

Correct Quotes (1991) 2 Novelty Windows

Correct Quotes, from WordStar International, is a small database of about 5000 famous quotes. There were versions for DOS, Windows, and Macintosh. WordStar International, the producers of WordStar, also sold several other similar companion products including Correct Writing - a writing style manual, and Correct Letters - a large collection of letter templates.

• 1.x

CorrectStar (1984) 0 Word Processor Utility DOS

CorrectStar, from MicroPro International, is an add-on spell checker for WordStar 3.3. It was sold both bundled with WordStar and separately. Later versions of WordStar integrated the spell checker.

• 3.3x

COSMI TrueType Fonts for Windows (1993) 3 Windows

COSMI TrueType Fonts for Windows is a budget title that includes a set of fanciful fonts designed for use with Windows 3.1

• 1993

Dashboard (1992) 6 Utility Windows

Dashboard for Windows, originally from HP, is a convenient push-button utility which gives you quick access to and maximum control over your Windows programs. and buttons for launching programs. Drag-and-drop support for printing, plotting, and faxing. Miniature screens that make it easy to work with several full-screen programs at once. An alarm clock with a built-in snooze alarm. And "At a glance" feedback to let you know which programs are running and how much memory you are using. It has a resemblance to the Unix Common Desktop Environment toolbar.

• 1.0
• 2.x
• 3.0
• 95

DataKeeper (1999) 0 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

Davong Hard Disk Controller Drivers (1982) 1 DOS

This is the driver software used to configure and access a Davong internal hard disk controller for the IBM PC. This controller was significant as being one of the few hard disk systems accessible under DOS 1.x. system instead partitions the disk in to several smaller drives.

• 2.4
• 2.5

Dilbert Break A Day (1997) 2 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) 3 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) 3 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) 2 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) 1 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

Dr Solomons Anti-Virus Toolkit (1997) 9 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) 10 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 Manager (1987) 1 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