Concurrent DOS (1984) 29 CPM

Originally an optional module for Concurrent CP/M-86 3.1, this version of Digital Research's CP/M provided basic compatibility with PC-DOS in 1983. Simple DOS applications that did not require hardware access can be ran on this. A stripped down single tasking version was released as DOS Plus and later DR-DOS.

• 3.x
• 4.x
• XM 6.x
• 386 2.x
• 386 3.x

Connectix RAM Doubler (1996) 4 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) 5 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)

Corel Linux (1999) 5 Linux

Corel Linux was a short-lived commercial Linux distribution that attempted to compete directly against Microsoft Windows 98/2000.

• 1.x

Corel Print House (1996) 0 Graphics Windows

A printing program for creating over 20 types of printing projects including cards, banners, signs, certificates, calendars, brochures, business forms, labels, membership cards, coupons, tickets, bookmarks, and doorknob hangers. It uses the 32-bit CorelDRAW 6 mini-engine.

• 1.1

Correct Quotes (1991) 0 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

COSMI TrueType Fonts for Windows (1993) 0 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

Cougar Mountain Software ACT (1992) 1 Financial DOS

Cougar Mountain Software ACT 2 PLUS is a comprehensive multi-user accounting package. It includes General ledger, accounts receivable and payable, purchase order, order entry, inventory and payroll, check reconciliation. It also features the ability to import and export files, and a modular form set-up allows integration of all modules. It was sold alongside ACT 1 PLUS, the single user version.

• 8.x
• 9.0

Crayola Art Studio (1994) 0 Graphics Windows

Crayola Art Studio, from Micrografx, is a heavily lobotomized graphics packaged aimed at kids. It features a Bob-like "room" menu, animated characters, sound effects, a paint program that can place shapes and clipart, and several other printing programs. It is similar to, and competed against Microsoft Fine Artist.

• 1.0

Cubasis (1994) 1 Media Player MacOS

Cubasis is an entry-level music sequencer and notation program for the Apple Macintosh. It features quantization, music printing, and QuickTime integration.

• 1.00

CWI Tutor DOS (1991) 1 Education DOS

The ultimate DOS tutor. Everything you wanted to know about DOS and more.

• 1.x

DacEasy Accounting (1987) 4 Financial DOS Windows

DacEasy was the first company to offer affordable accounting software geared towards the small business. It was first released in 1985 and had gone through many DOS revisions at the time the Windows version was released.

• 2.0 (DOS)
• 4.x (DOS)
• 1.0 (Win)

DEC Rainbow Learn Rainbow tutorial (1983) 2 CPM

This is a tutorial program included with DEC Rainbow computers. The DEC Rainbow is a non-IBM compatible MS-DOS computer. This program is for the CP/M-86 operating system.

• 1

DELL Unix (1992) 4 Unix

Dell Unix, first introduced in 1989, was an adaptation of AT&T Unix intended for Dell hardware. Although Dell Unix received much praise, Dell found they could not reasonably support it on non-Dell hardware, as many customers wanted, and in 1993 discontinued it.

• 4.0

Deluxe Scrabble for Windows (1992) 5 Windows

Based on the Scrabble word board game. Can play with up to 4 people, or a combination of computer players.

• 1.0

DeluxePaint (1988) 17 Graphics DOS

DeluxePaint, from Electronic Arts, is a bitmap pixel graphics editor that was ported to DOS from the Amiga.

• 1.x
• 2.x

DeluxePaint Animation (1990) 2 Graphics DOS

DeluxePaint Animation is a raster based animation program based on the DeluxePaint painting program. It features ease of use, powerful drawing functionality, and a playback utility. As a DOS program, it was limited to 640k and 320x200 resolution in 256 colors.

• 1990

Diagnostics for the Texas Instruments Professional Computer (1982) 4 DOS

This is the diagnostics test disk for testing the Texas Instruments Professional Computer. compatible computer that runs an adaptation of MS-DOS and CP/M-86.

• 1.x

Digital UNIX (1995) 9 Unix

Formerly OSF/1, in 1994 after the Open Software Foundation (run by DEC, IBM, and HP) ceased involvement, Digital Equipment Corporation renamed the OS to "Digital UNIX". In 1998, DEC was bought out by Compaq and the product was again renamed, to Tru64 UNIX.

• 3.2B
• 3.2G
• 4.0B
• 4.0D
• 4.0E

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

DiskDoubler (1990) 1 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

Disney Animation Studio (1992) 0 Graphics DOS

Disney Animation Studio is an animation graphics tool, that originated on the Amiga. It supports multiple VGA resolutions.

• IBM (1992)

DIV Games Studio (2000) 9 DOS

DIV Games Studio, from Hammer Technologies, is an all-in-one software program for DOS for creating your own (DOS) games, using a programming language similar to C or Pascal. The software includes an integrated development environment with code editor, graphics editor and sound editor.

• 1.x

DOS Plus (1986) 5 DOS

Digital Research's DOS Plus was an intermediate product between CP/M-86 and DR-DOS. It can run both CP/M-86 and MS-DOS programs, and read both disk formats. It is essentially a stripped down version of Concurrent DOS that keeps the DOS compatiblity.

• 1.x
• 2.x

DOS USB Support (2001) 8 DOS

Yes, there are USB drivers for DOS... Miracle-driver from Panasonic Japan does the unthinkable Before you start scratching your head, let me repeat that this is not related to your favorite linux distro's or Windows XP/W2K/98/ME's USB support, this has to do with people like me, booting some flavor of DOS to copy files around or using DOS-based partition back-up software.

• 1.x