Search found 368 results.

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This is a bootable diagnostics disk intended for use with the Columbia Data Products VP portable computer. The VP is a "luggable" portable computer based on their MPC 1600 that competed with the Compaq Portable, Eagle Spirit, and similar PC clone luggables.


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The tutorial disk and manual that came with the Columbia Data Products 1600 VP portable computer.


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Company Ladder is a budget oriented tool that specialized in making corporate organizational charts. It could handle large numbers of entries and print high quality graphs.


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The Condor database is an easy to use, customizable, menu-driven relational database management system. It boasts the ability to let you design databases without programming, using only simple English, and a form and report designer. It is suitable for simple to complex tasks. It originated on CP/M-80 systems, competed against dBase II, and was ported to DOS. weight file management system, while "Condor 3" is the full featured database product. version between 1 and 3. systems, such as Zenith, HP, DEC, NEC, and more.


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This is the Transcopy utility software for use with the Copy II PC Option Board. The Copy II PC Option/Deluxe Option Board/"Transcopy" card is an ISA expansion card created and sold by Central Point Software that enables an IBM PC or compatible to duplicate most floppy disk copy protection methods.


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Corporate Ladder is a quick and easy text-mode DOS based tool for creating organization charts and similar documents such as process-flow diagrams, decision trees, procedure diagrams, forms, and labels.


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


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DAC-Easy Word is a budget word processor package. It can have up to four document windows open, can work with large-ish documents, supports macros, features drop-down menus, built-in help, and includes a mailing list manager.


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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.


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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.


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DanCAD is a tool for producing technical line drawings and animations. It is designed for mechanical engineers to analyze and simulate 3d mechanisms, such as complex compound robotics motions. mathematical functions, animation, and PostScript printing.


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DataEase, from DataEase International Inc., USA., is a fast, easy to use yet powerful, menu-driven relational database development system for the IBM PC. Not copy protected.


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DataPerfect, originally written by Lew Bastian, published through WordPerfect Corp, and later through Novell, was a fast, memory efficient, but capable relational database for DOS. WordPerfect Corp sold the product alongside their other DOS based office products, such as WordPerfect and PlanPerfect. In 1995 Novel released DataPerfect as freeware and development was continued by its original author until about 2008.


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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.


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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.


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Ashton-Tate dBase was an early popular database management system for CP/M and MS-DOS. It was regarded as one of the killer applications for CP/M, and achieved good success. At the time of conception Ashton-Tate was a garage based company but quickly grew.


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Death Rally is a top-down view racing game. The object of the game is to stop your opponents winning by shooting them. To progress through the game weapons and enhancements for the cars are needed.


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Decision Pad, from Apian Software, is a decision support tool that uses a decision matrix approach. It also supports a three-dimensional decision matrix for group decisions, and can import/export data from Lotus 1-2-3 files. It competed against a similar tool called "Prism".


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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.


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


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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.


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Derive was a computer algebra and graphing system, developed as a successor to muMATH by Soft Warehouse, Inc. in Honolulu, Hawaii, now owned by Texas Instruments. Derive was implemented in muLISP, also by Soft Warehouse. The first release was in 1988 for DOS. It was discontinued on June 29, 2007 in favor of the TI-Nspire CAS. The last and final version is Derive 6.1 for Windows.


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DesignCAD is a low end, but well featured, drafting program. It was sometime a companion product to DesignCAD 3D.


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DesignCAD 3D is a powerful, easy to use, and low cost DOS based CAD program that claimed to have all of the features of the more expensive CAD programs. It competed against low-cost CAD programs such as TurboCAD, Generic CADD, and Drafix. It was sometimes sold alongside DesignCAD 2D


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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.