Cougar Mountain Software ACT (1992) 3 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

CP/M 86 (1982) 40 CPM

CP/M-86 is a port of Digital Research's CP/M operating system to the Intel 8088/8086. The earlier CP/M-80 was extremely popular on 8080/Z80 microcomputers.

• 8680 2.x
• 1.x
• 3.x

CP/M-80 (1982) 3 CPM

CP/M-80, from Digital Research, was a popular operating system for 8080 and Z80 microcomputers. Each release was customized by OEMs specifically for their hardware.

• 2.2 (8080)
• (Other platforms)

Dan Bricklin's Demo (1988) 3 Presentations DOS

Dan Bricklin's "Demo" is a tool for creating tutorials, interactive application demonstrations, and interface prototypes. It has a powerful scripting system, with the ability to store and manipulate both text and graphics screens, and a redistributable runtime. author of VisiCalc. Demo was first released in 1985 by Dan Bricklin's consulting firm Software Garden. It was later sold under Peter Norton Computing, and then Sage Software.

• II v2

DB Master (1986) 2 Database DOS

DB Master is a powerful and flexible database for early personal computers. It was produced by Stoneware Inc., and in 1986 it switched ownership to Macon Software Inc.

• 3.0

DeLorme Street Atlas (1991) 7 Reference Windows

Back before MapQuest or Google Maps, people could own an entire USA road map on a CD-ROM. DeLorme Street Atlas was one of the most popular road mapping products. You can search for street names or by phone number and zoom in on local neighborhoods. enabled users to create customized maps. focused on road maps. Later it competed with Microsoft Expedia Streets and Rand-McNally Route Planner.

• 1.0
• 2.0
• 4.0
• 5.0

DeluxePaint Animation (1990) 1 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) 1 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

Diagram-Master (1985) 3 Presentations DOS

Diagram-Master, from Decision Resources and later Ashton-Tate, is a graphics tool specifically geared toward making organization and Gantt charts. It can produce very high-quality presentation graphics using laser printers and plotters. Supports CGA, EGA, and the IBM Professional Display. This program was also bundled in the Master Graphics Presentation Pack.

• 5.x

Digital Research PL/I Compiler (1983) 7 DOS CPM

PL/I is a programming language oriented towards scientific and business programming. Digital Research provided implementations for their CP/M operating system as well as MS-DOS.

• 1.x

Digitalk Smalltalk/V (1986) 1 DOS Windows

Smalltalk/V was the first widely available version of Smalltalk. It was developed by Digitalk in 1986 for DOS, Macintosh, and later Windows.

• 1.2 (DOS)
• 2.x (Win)

Diskette Manager (1988) 2 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

Disney Animation Studio (1992) 2 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) 3 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

DOOM (1993) 25 DOS

Doom is the original fully immersive 3-D first person shooter from ID software.

• Alphas
• 1.0
• 1.1
• 1.2
• 1.25

Dr Solomons Anti-Virus Toolkit (1997) 8 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

DRI Access Manager (1986) 0 DOS

Access Manager is a database programming library sold by Digital Research. It supports key fields, b-tree indexes, record locking, and deleted records. It is designed for use with Digital Research language products including DR C, CBASIC, PL/I, and Pascal MT+, and may be used alongside the Display Manager programming libraries. There were versions for both CP/M and MS-DOS.

• 1.x

DRI Display Manager (1983) 0 DOS

Display Manager is a programming library from Digital Research that abstracts the physical display or terminal type from the application. It is designed for use with Digital Research language products including DR C, CBASIC, PL/I, and Pascal MT+, and may be used alongside the Access Manager programming libraries. There were versions for both CP/M and MS-DOS.

• 1.x

DRI Programmer's Utilities (1983) 0 DOS

DRI Programmer's Utilities, from Digital Research, includes Lib86, Link86, Rasm86, and Xref86, for use with DRI programming languages.

• 1.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 Optimize (1988) 3 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

DVMpeg (1999) 1 Video Audio Windows

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

• 5.0

Eagle 1630-40 Software Master (1983) 0 DOS

This disk contains the default set of application files loaded on to an Eagle 1600 hard disk drive. (But not the system files). Initialization Diskette" that contains the Eagle Computer-specific MS-DOS 1.25 system files and hard disk formatting tools.

• 1

Easy Access Menu System (1989) 1 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 Chefs One Million Recipes (1999) 1 Reference Windows

Easy Chefs One Million Recipes, from American Cooking Resources, is one big multimedia CD that contains a huge card file of food recipes. It literally has over a million recipes stored in its searchable database.

• 4.5