VisiCalc was the first spreadsheet program for personal computers. It was extremely successful, and pivotal as it was significantly responsible for moving personal computing out of the realm of hobbyists and in to the realm of serious business tools. application suite that also included VisiWord, VisiFile, VisiSpell, VisiTrend/Plot, VisiSchedule and VisiTutor. a GUI based environment. But that did not catch on. The similarly named Visi On Calc spreadsheet is not at all related to VisiCalc, and later had to be renamed to Visi On Plan.

VisiFile is a flat file data base management system. This version is for the IBM PC, there was also an earlier version for the Apple II.

Visio is a flow-chart diagramming program for Microsoft Windows originally from Shapeware/Visio Corp. Visio was specifically designed as a flow charting tool rather than a generic drawing tool. It featured easy to use drag-and-drop diagram creation, and shipped with a wide variety of stencils. In 2000 Visio Corp was acquired by Microsoft. It competed with Aldus Intellidraw and Micrografx Snapgraphics and Meta Software's MetaDesign.

VisiSchedule, from VisiCorp, is an interactive visually-oriented project task scheduling program. It gives you the tools to control projects, meet deadlines, level resources, and beat cost targets. As you develop your project you can use it to create "What-if" scenarios, and instantly see the results.

VisiSpell is a standalone spell checker for DOS, that is intended for use with VisiCorp VisiWord but can be used with any text document. Targeted at business users, it contains a dictionary of over 100,000 words, supports a user customizable dictionary, and can remember your typing habits when suggesting replacements.

VisiTrend/VisiPlot is a no-nonsense data analysis and graphing tool targeted at business users who wished to perform analysis on large spreadsheets. It is part of the Visi Series of applications from VisiCorp, that also included VisiWord, VisiCalc, VisiFile, VisiSpell, VisiSchedule and VisiTutor. There was also a version for the Apple II.

VisiTutor is a computerized tutorial program that will guide a user through how to use VisiCorp VisiWord.

VisiWord is a solid and well designed word processor for the IBM PC from VisiCorp. It was part of VisiCorp's integrated office application suite that also included VisiCalc, VisiFile, VisiSpell, VisiTrend/Plot, VisiSchedule and VisiTutor. It competed against EasyWriter and Volkswriter. This software runs under DOS 1.x and DOS 2.x. A follow up update to VisiWord offered better integration with VisiSpell. a GUI based environment. But that did not catch on. The similarly named Visi On Word word processor is not directly related to VisiWord.

Vistapro is a three-dimensional landscape simulation program. Using U.S. Geological Survey (USGS) Digital Elevation Model (DEM) files, Vistapro can accurately recreate real world landscapes in vivid detail. It can also create fractal based landscapes, and provides many customizations. Vistapro originated on the Amiga and also had a Macintosh port.

Visual CADD is a greatly enhanced version of Generic CADD designed for Microsoft Windows. It was created by Numera Software Corporation, which consisted of many original Generic CADD programmers, after Generic CADD was acquired and then abandoned by AutoDesk. It never regained its popularity and was eventually acquired by Corel and IMSI before finally landing at TriTools. The original developers also created another Generic CADD offshoot called General CADD Pro.

VMWare is a commercial CPU virtualizer for commodity x86 systems. Unlike a PC emulator, CPU instructions are not interpreted, but rather run directly on the host CPU alongside any other native operating system and applications.

VoiceType is a voice dictation and speech recognition program from IBM. Compared to other products, VoiceType was considered fairly fast and accurate, but required several hours of "training" to achieve that. It was aimed at a fairly niche voice dictation market.

Volkswriter, from Lifetree Software Inc, was an early easy to use word processor for the IBM PC. Development of Volkswriter was inspired by the horridness of EasyWriter, and for a brief time it was possibly the only usable word processor for the IBM PC before an IBM version of WordStar was released. The "Deluxe" version will work with larger documents and has more features.

Voyetra Sequencer is a popular, powerful, and professional MIDI music recording and editing program. It was often bundled with Sound Blaster sound cards.

VP-Expert, from Paperback Software, was a low-cost expert system solution that competed against products such as 1st-Class Fusion, Knowledgepro, Level 5, and Personal Consultant Easy. It provides rule induction, traditional structured rule programming, backwards and forward chaining, and hypertext and mouse support in graphics mode.

Originally released in 1986 by PaperBack Software and later from Sub Rosa Inc, VP-Info is a dBase-type relational database manager with compiler. VP-Info features the ability to use common dBase/Clipper file formats with an unlimited number of records, faster execution speeds, and a built-in compiler.

VP Planner is a Lotus 123-type spreadsheet, but featuring 3-D (paged) spreadsheets and other advances over Lotus 123. This was the subject of a lawsuit, also involving The Twin, and Borland Quattro Pro, which Paperback Software eventually won, but which sank the company.

VPIC was a popular shareware image viewer for DOS. It supports a wide range of graphics file formats, and supports the proprietary resolutions of almost every video card ever made.

VTERM is a PC telecommunications program designed to emulate the DEC VT100 and interface with Digital Equipment Corporation systems. In addition to emulating a terminal, it supports binary file transfers. VTERM was primarily targeted at large corporations that also owned, used, or interfaced with large VAX VMS or PDP systems.

Wang Freestyle is an "annotation" program that operates by making screen shots of DOS applications, to which the user may then add hand-written notes using a stylus or add a voice recording with a telephone-like handset. It features a Macintosh-like desktop that displays the annotated documents graphically on a proprietary high resolution monitor, and integrates a form of mail and fax.

Ways is a smart dictionary, thesaurus and database multitool that works with any Windows 3.1 application. It once had been part of the Witchpen word processing suite for DOS. When certain word processors began to dominate the market, Swiss developer Hannes Keller decided to separate and enhance the dictionary. In Germany, Ways was widespread thanks to being bundled with every Highscreen brand computer in the early 1990s.

Random House Webster's Electronic Dictionary and Thesaurus provides definitions for a very large number of words. It features pronunciations, etymologies, and illustrative sentences with many biographical and geographical entries. The program can search for partial words, mis-spelled words, and using wildcards. Professional Dictionary and Thesaurus, Key Dictionary Plus, Instant Definitions Dictionary, and Funk & Wagnall's Standard Desk Dictionary.

A computerized version of Webster's Dictionary from Proximity Technology Inc. Once loaded, you can access it from within any DOS application using a hot key.

Whereabouts Deluxe flashes a fun, animated, and colorful messages on your PC that tells people your whereabouts. Choose one of 11 bright messages from each volume or create your own custom message.

WillMaker is a program that takes a set of simple human-understandable questions to produce the complex legal language and law considerations, required for a modern will.