Microsoft Word (1983) 121 Word Processor DOS

The Microsoft Word word processor was first introduced for MS-DOS in 1983. Its design made use of a mouse and WYSIWYG graphics. Its crude WYSIWYG/mouse support was a direct response to the Apple Lisa/Mac, and VisiCorp Visi On. Initially it competed against many popular word processors such as WordStar, Multimate, and WordPerfect. Word for DOS was never really successful.

• 1.x (DOS)
• 2.x (DOS)

Mite (1985) 0 Communications DOS

Mite is a telecommunications program that originated on CP/M. It was used for communicating with bulletin board systems, information services, and terminal emulation. It is not the most friendly or powerful, but some OEMs bundled it with their hardware.

• 3.x

Mix C (1985) 2 DOS

Mix C, from Mix Software, is a small and simple C compiler. It was sold alongside a well-written book on the C programming language. Later versions were known as Power C

• 2.0.x

MS-DOS (1981) 826 DOS

Originally 86-DOS, written by Tim Paterson of Seattle Computer Products, DOS was a rough clone of CP/M for 8086 based hardware. Microsoft purchased it and licensed it to IBM for use with Microsoft's IBM PC language products. In 1982, Microsoft began licensing DOS to other OEMs that ported it to their custom x86 hardware and IBM PC clones.

• 1.x
• 2.x
• 3.00
• 3.10

Multi-Job (1984) 0 Utility DOS

Multi-Job is a rudimentary multitasking program for IBM PC-DOS 1.10, 2.00 and 2.10. This gives IBM PC and XT users the ability to run multiple simultaneous jobs and switch between them by pressing ALT-Keypad 1, ALT-Keypad 2, and so on. Programs running in the background must not write directly to the screen.

• 2.x

MultiMate (1983) 3 Word Processor DOS

MultiMate, originally named WordMate, is a word processor designed to mimic the user interface of Wang word processing machines. It was primarily sold to large businesses, but eventually became popular with home users that were familiar with the Wang word processors. Later versions were bundled with extra third party software under the name MultiMate Advantage.

• 3.2x
• 3.3x

Multiplan (1983) 19 Spreadsheet DOS

Microsoft Multiplan was an early 8-bit spreadsheet application for CP/M and MS-DOS with ports to numerous other platforms in the early 80s. Initially it competed against VisiCalc and later Lotus 1-2-3. A companion product, Microsoft Chart, provided graphing support. Multiplan was never ported to Windows, where it was replaced with Microsoft Excel. Excel also replaced Multiplan on the Macintosh platform.

• 1.x
• 2.x

Multitasking MS-DOS 4.00 (1985) 4 DOS

Multitasking "MS-DOS 4.00" is a developmental version of MS-DOS that was never released to retail consumers. It was eventually licensed to some companies for internal use. Development started in parallel during the DOS 2.x days, and was intended to be the successor to MS-DOS 3.x. It would have competed against Digital Research's Concurrent DOS.

• 4.00

Music Construction Set (1984) 1 DOS

Music Construction Set is a program that lets you compose "music" using a graphical user interface. It supports 3-voice sound on the IBM PCjr and Tandy 1000, and 4-voice sound via the Model 5150's cassette port!

• IBM 1984

NewWord (1983) 3 Word Processor DOS

NewWord is a clone of WordStar created by former MicroPro employees. It filled a gap for WordStar users as WordStar 3.3 went unupdated, and eventually became the basis for WordStar 4.0.

• 1.x

Norton Utilities (1983) 34 Utility DOS

The Norton Utilities is a suite of disk and system utilities designed to enhance system performance and stability. It started off as a set of disk utilities written by Peter Norton, and later was sold by Symantec. It competed against Central Point PC Tools and the Mace Utilities. In 2003, Norton Utilities was merged with Norton SystemWorks, but later split back out.

• 2.0x
• 3.00
• 3.10

Open Systems Accounting (1985) 0 Financial DOS

Open Systems Accounting Software is a modular accounting package targeted at large businesses. It featured a high level of flexibility, as the company offered source code access for customization. It was available for DOS, XENIX, and Unix systems.

• 3.x

Overhead Express (1984) 10 Presentations DOS

Released in 1984 by Business & Professional Software, Inc, Overhead Express is a very early presentation program for the IBM PC that features high quality type, and an on screen print preview. It is geared towards overhead presentations, but can also be used for flyers, newsletters, report cover, labels, and more.

• 1.x

Paradox (1985) 7 DOS

Originally released in 1985 by Ansa Software and later sold to Borland, Paradox is a high-speed relational database product that integrates with Borland's "Turbo" products. It was notable for its Query By Example feature, and its Paradox Application Language. It was popular in the late 80s and early 90s, and competed against database product such as dBase, Symantec Q&A, Foxpro, Clipper, Clarion, DataEase, R:Base, and DataFlex.

• 1.x

Pascal/MT+ (1981) 0 DOS

Pascal/MT+ is an ISO 7185 compatible Pascal compiler sold by Digital Research as part of their CP/M product line. There were versions for CP/M-80, CP/M-68k, CP/M-86, and MS-DOS.

• 3.x

PC Illustrator (1985) 0 Graphics DOS

PC Illustrator, first released in 1984 by Computer Graphics Group, Inc of Atlanta Georgia, is an easy to use freehand drawing and business charting package. Charting mode supports bar, area, line, and pie charts, and you can add your own drawings around the chart. It supports the use of a Microsoft compatible mouse, light pen, or digitizing pad.

• 3.0

PC Paint (1984) 2 Graphics DOS

PC Paint, from Mouse Systems Corporation, is a Macintosh MacPaint-like paint program for the PC. It was often bundled with Mouse Systems mice. Despite the similar sounding name and appearance, it is NOT related to Microsoft/ZSoft PC Paintbrush.

• 1.00A
• 2.x

PC Paintbrush (1984) 13 Graphics DOS

ZSoft PC Paintbrush is a bitmap drawing program visually similar to MacPaint. The earlier DOS versions were often bundled with Microsoft and Microsoft compatible mice, and were notable for supporting a huge variety of video adapters. It competed against Mouse Systems PC Paint (not related despite the similar name). ZSoft PC Paintbrush eventually became Microsoft Paintbrush included in Windows 3.x. For Microsoft's rebranded version see Microsoft Mouse and Microsoft Paintbrush

• 2.x (DOS)
• 3.x (DOS)

PC Tools (1985) 14 Utility DOS

PC Tools, from Central Point Software, is a system and disk utility suite similar to the Norton Utilities. Central Point also produced a similar set of tools for the Apple Macintosh known as MacTools. Central Point Backup, bundled as part of PC-Tools, was also offered as a standalone product.

• 1.x

PC-Calc (1984) 0 Spreadsheet DOS

PC-CALC is an easy-to-use "Visible Spreadsheet" program. If you work with numbers, at home, on the job or at school, PC-CALC is for you. Whether the task is simple or complex, PC-CALC can help you. By using its powerful commands, reports can be produced in minutes that would take hours to do manually, or days to write in BASIC. PC-CALC, written by Jim "Button" Knopf of ButtonWare ( http://en.wikipedia.org/wiki/Jim_Knopf ), is historically notable because it was one of the first programs marketed as shareware.

• 2.0
• 3.0

PC-DOS (1981) 146 DOS

IBM PC-DOS was an IBM branded version of MS-DOS licensed from Microsoft for use on the IBM PC system. Versions of PC-DOS paralleled that of MS-DOS up until version 6.1, where PC-DOS was independently maintained by IBM up until 7.1, the last version. Although not the only OS available for the IBM PC when it came out, it quickly became popular due to its low cost in comparison to the others. Its direct competitors on the PC at the time were CP/M-86 and UCSD p-System. The major differences between PC-DOS and MS-DOS were only in terms of driver support and built in programs until version 6.1 where development diverged.

• 1.x
• 2.x
• 3.x

PC-File (1984) 8 Database DOS

PC-File is a simple flat file database management program for DOS. PC-File, along with PC-Write, and PC-Talk were the first popular products sold under the "Shareware" concept.

• III 2.0

PC-Write (1984) 4 Word Processor DOS

PC-Write, written by Bob Wallace of Quicksoft, was an editor for the PC and along with PC-File and PC-Talk was one of the first widely distributed shareware programs.

• 2.4

Peachtext 5000 (1983) 3 Word Processor Financial Database DOS

PeachText 5000 is a complete personal productivity system for word processing, financial modeling, mailing lists and simple database management. It contains a thesaurus, spell checker, and file conversion tools.

• 2.x

Peachtree Inventory Management (1984) 1 Financial DOS

Peachtree Inventory Management is a business accounting tool for tracking sales inventory.

• 1984