Moon Shuttle (1983) 0 Other

Moon Shuttle is an invasion style game for the Atari 400/800 computer.

• 1 (Atari)

MP/M (1981) 3 CPM

Multi-Programming Monitor Control Program (MP/M) was a multi-user version of CP/M created in 1979. It could run on 8080 or Z80 based computers. Eventually it was ported to the 8086 and was named MP/M-86. It eventually assimilated technology from CP/M-86 and became Concurrent CP/M-86, later evolving into Concurrent DOS.

• 2.x

MS-DOS (1981) 998 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
• 3.20
• 3.21
• 3.30
• 3.31
• 4.0x

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

MultiLink Advanced (1986) 0 Server DOS

Multilink is a multitasking program that turns an IBM PC XT or PC AT into a multi-user, multitasking system supporting up to eight dumb terminals. A good alternative to XENIX on the PC AT.

• 4.00

MultiMate (1983) 6 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
• 4.0

Multimate Advantage (1986) 2 Word Processor DOS

MultiMate Advantage is the high-end professional version of MultiMate, targeted at corporate users.

• 3.6
• II 1.0

Multiplan (1983) 4 Spreadsheet DOS MacOS OS2

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
• 1.x (Mac)
• 2.x
• 3.x
• 4.x

Multitasking MS-DOS 4.00 (1985) 5 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) 0 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
• IBM 1987

MusicPrinter Plus (1988) 0 Media Player DOS

MusicPrinter Plus, from Temporal Acuity Products, Inc, is a musical notation program for MS-DOS. It supports CGA, EGA, and VGA video as well as MIDI playback.

• 1.1

MyLabelMaker (1988) 0 Publishing DOS

MyLabelMaker is a low-end budget title that aids in making labels using your printer. It is the perfect way print cards for your Rolodex, or labels for your audio cassettes!

• 1.x

NBI Legend (1988) 1 Word Processor DOS

Legend, from NBI, is a document processing program for Microsoft Windows 2.x. It primarily acts as a desktop publishing program, enabling users to lay out frames or embed graphics, but is can also act as a word processor. WordStar International where it became WordStar for Windows.

• 1.x

NetWare (1989) 64 Other

Novel NetWare was an early and powerful network/file sharing operating system. It was first released in 1983 and supported DOS and CP/M clients and was initially unique in that it shared individual files rather than entire disk volumes. Initially servers ran on a proprietary Motorola 68000 system but quickly changed to IBM PC where it supported a very wide variety of third party hardware. It used a cooperative tasking server environment and had some advanced features usually only found in mainframe products.

• 2.x
• 3.x

NEWS-OS (1989) 3 Unix

NEWS-OS was a variant of BSD (later System version V UNIX) developed by Sony for use on their series of work stations called the Sony NEWS (Network Engineering WorkStation). This machine was a desktop replacement to VAXes in japan, created in 1987. NEWS-OS was designed specifically for use on computer networks, and had support for the TCP/IP protocol, something that wasn't commonly used back in the day but now required for today's machines. Versions 1-4 of NEWS-OS used 4.2BSD as its base. Versions 5 and 6 used UNIX System V 4.2.

• 4.x

NewsMaster (1987) 0 Publishing DOS

NewsMaster, from Unison World, is a primitive low-cost desktop publishing program aimed at home users and low end PCs. It supports both dot-matrix and laser printers. Separate clipart libraries were also available, and it could make use of PrintMaster clipart.

• 1.5

NewWave (1989) 1 Other Windows

HP NewWave is an alternate shell for Microsoft Windows that gives it an icon-object desktop. It attempts to hide the file system from the user, instead presenting them with "objects" that may have many more properties and longer descriptions. It supports a feature called "Hot connects" that automatically updates data across different files.

• A.01.00

NewWord (1983) 2 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

NeXTStep (1987) 18 Unix

NeXTSTEP, from NeXT Computers headed by Steve Jobs, is a Unix based operating system designed to run on m68K NeXT workstations. It later became the basis for OS X, with APIs and concepts preserved today.

• 0.x
• 1.x
• 2.x

Norton Anti-Virus (1990) 0 Utility DOS

Originally written by Symantec and sold as Symantec Antivrus for Macintosh, it became part of the "Norton" branded products sold by Symantec after they acquired Peter Norton Computing. Norton Anti-Virus became a popular product on DOS, Windows, and Macintosh (SAM was renamed to NAV in 1998) and battled the then-new threat of malicious software. In 2015, Symantec unified their security product lineup under the single "Norton Security" product. It was also bundled with Norton SystemWorks.

• 1.0

Norton Backup (1990) 0 Utility DOS

Norton Backup, from Symantec, is a fast and easy to use backup tool for MS-DOS. The original 1.0 suffered from reliability problems, but these were fixed in 1.1. It does not include a backup scheduler. It competed against backup utilities such as PC Tools Deluxe PC Backup, Taketwo Manager, Gazelle Systems Back-It, Backup Pro, FastBack Plus, and Keep Track Plus.

• 1.x

Norton Commander (1986) 48 Utility DOS

Norton Commander is a MS-DOS based file shell that was widely popular due to it's two column design. You could easily copy and move files between one folder or another, execute DOS commands and more. It competed against many other file managers including Gazelle Q-DOS and Xtree

• 1.x
• 2.x
• 3.x

Norton Editor (1990) 4 Editor DOS

The Norton Editor is a text editor targeted at programmers and power users. It features the ability to edit files of any size, supports very long lines, automatic indentation, and compressed display. It supports executing DOS commands from inside the program, and is very configurable.

• 2.0

Norton Textra Writer (1989) 2 Word Processor DOS

Norton Textra Writer is an easy to use word processor for IBM PCs and compatibles running DOS. It was based on Ann Arbor Software' Textra, a small and fast word processor highly optimized for speed and rapid data entry, and published by the W W Norton & Co Inc publishing company (no relation to Peter Norton Computing or Symanetc).

• 2.0

Norton Utilities (1983) 33 Utility DOS Unix MacOS

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
• 4.0
• 4.5
• For System V
• 1.0 for Mac
• 5.0