Microsoft Works (1986) 99 Word Processor Spreadsheet Communications Database MacOS DOS Windows

Microsoft Works was an all-in-one scaled-down Word Processor, Spreadsheet, and Database geared towards the home user. It was released in variants for early DOS, Windows, and Macintosh. Microsoft Works competed against Lotus Jazz, FrameWork, AlphaWorks/LotusWorks, PFS First Choice, and many others.

• 1.x (Mac)
• 1.x (DOS)
• 2.x (Mac)
• 2.x (DOS)
• 2.x (Win)
• 3.x (DOS)
• 3.x (Mac)
• 3.x (Win)
• 4.0
• 4.5
• 5.x
• 6.0
• 9.0

MicroStation (1991) 0 Graphics DOS

First released in 1985, MicroStation is a computer aided design program originally written to read and later write Interactive Graphics Design System (an early single-purpose hardware/software CAD system) design files. It was influenced by Bentley System's 1984 graphics terminal based PseudoStation software. The file format, and therefore the software, became a standard in government agencies.

• 4.0.x
• 5.0.x

Mosbys Medical Encyclopedia (1997) 0 Reference Windows

Mosbys Medical Encyclopedia is a multimedia CD-ROM containing information about medicines, illnesses, and anatomy.

• 2.x

MS-DOS (1981) 1497 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
• 5.0
• 6.0
• 6.20
• 6.21
• 6.22
• 7.1 (CDU)

Multitasking MS-DOS 4.00 (1985) 6 DOS

Multitasking "MS-DOS 4.00" is the once hyped future of DOS, that Microsoft shelved in favor of OS/2 and IBM's regular DOS 4.0x.

• 4.00

Multiuser DOS (1992) 8 DOS

Digital Research's Multiuser DOS is a true multi-tasking, multi-user operating system with a DOS like environment. It is based on Concurrent CP/M, and Concurrent DOS.

• 5.x

NCSA Mosaic (1993) 11 Web Browser Windows

First released in 1993, NCSA Mosaic was the first really popular web browser. Unlike the original browser, WorldWideWeb on NeXT, Mosaic was available for the Microsoft Windows platform and added features such as inline graphics viewing. It was developed by the National Center for Supercomputing Applications at the University of Illinois at Urbana–Champaign. NCSA Mosaic was distributed freely for non commercial use, but required a license for commercial business use. It was licensed by a number of third party OEMs, including Microsoft, who used it for the basis of Microsoft Internet Explorer. In 1995, its popularly quickly gave way to Netscape Navigator.

• 1

NEWS-OS (1989) 1 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

OS/2 1.x (1986) 17 OS2

OS/2 was originally a joint effort between IBM and Microsoft. It grew out of efforts to create a Multitasking MS-DOS. It was intended to be the future OS for IBM's new PS/2 series. At release it competed against Microsoft's Windows GUI shell, but most users continued to use DOS. OS/2 1.x was used as the basis for Citrix Multiuser | 1.x | 2.x | 3.x | 4.x | All |

• Pre-Release
• 1.0
• 1.1
• 1.2
• 1.3

OS/2 2.0 (1991) 26 OS2

OS/2 2.0 was a major change over OS/2 1.x. It was the first 32-bit OS/2 and built by IBM free of Microsoft's influence or contribution. It was the first to feature the new Workplace Shell GUI, and the first to be 32-bit. It was followed up by OS/2 Warp 3. | 1.x | 2.x | 3.x | 4.x | All |

• Pre-Release
• 2.0
• 2.1

OS/2 3.x (1994) 24 OS2

OS/2 3.0, marketed under the name "OS/2 Warp", reduced memory usage over OS/2 2.x and included Internet access software. The "Connect" version includes Ethernet networking and peer-to-peer file sharing. The "Blue Spine" editions bundle the Windows 3.1 files so no additional software is needed to use the Win-OS/2 subsystem. It was followed up by OS/2 Warp 4. | 1.x | 2.x | 3.x | 4.x | All |

• 3.0
• 3.0 PowerPC Edition

OS/2 Developer Connection (1995) 7 OS2

IBM's semi-often correspondence for OS/2 development.

• Vol. 8
• Vol. 12

OS/2 Warp 4 (1996) 173 OS2

OS/2 Warp 4 incorporated a number of new technologies over OS/2 Warp 3, such as Java, OpenGL, OpenDoc, and VoiceType. It also updated the appearance of the Workplace Shell. | 1.x | 2.x | 3.x | 4.x | All |

• OS/2 Warp 4.0
• OS/2 Warp 4.52

OS/400 (1994) 2 Other

OS/400 (now known as IBM i, previously i5/OS) is the operating system of the AS/400 (now Power Systems, previously System i) series of minicomputers by IBM. It is the replacement for CPF for the System/38 and SSP for the System/36. In addition to a consistent programming environment and a user-friendly interface, it features advanced features not seen in other platforms such as tagged memory, single-level storage, is exclusively written in managed languages.

• V3
• V4

OS2 Device Driver Pak (1996) 2 OS2

OS2 Device Driver Pak CD Volume 1.0 is a CD released by IBM to make installation of OS/2 Warp 4 easier.

• 1.0

PC-DOS (1981) 260 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
• 4.x
• 5.x
• 6.x
• 7.x
• 2000

PC-MOS (1987) 1 DOS

PC-MOS, released by The Software Link, was a multi-user multitasking OS that had compatibility with MS-DOS 5 applications and allowed users to connect to it via terminal.

• 1.x
• 3.x
• 5.x

Photoshop (1988) 74 Graphics MacOS Windows

Photoshop is a powerful drawing and photo manipulation program for both Mac and Windows. The Macintosh version was released by Adobe in 1990, although a very small number were bundled with Barneyscan slide scanners prior to that. Photoshop contained many advanced features including layered images, advanced color control, and plug-ins. Prior to its release, many of its features were only found in high end dedicated photo pre-processing systems.

• 0.x (beta)
• 1.x
• 2.x
• 3.x
• 4.x
• 5.x
• 6.x

Photoshop Lightroom (2009) 4 Graphics Windows

Photoshop Lightroom is a utility from Adobe for Photoshop that aids in applying post-processing to high amounts of images in batch.

• 3.x

PhotoSuite 8 Graphics Windows

Easily touch-up, transform, organize and share photos with family and friends

• 8.06

Professor DOS (1986) 0 Education DOS

Professor DOS, from INDIVIDUAL Software, is a friendly interactive training guide that helps you learn how to use DOS on your IBM PC or compatible computer.

• 2.x

PTS-DOS (1995) 9 DOS

PTS-DOS is a Russian DOS clone created by the Russian company PhysTechSoft.

• 7
• 2000

Q-DOS (1989) 6 Utility DOS

Gazelle Systems Q-DOS is a text mode based file manager for DOS. Q-DOS is a simplified file manager that presents all DOS functions visibly. It competed against many other file managers including Norton Commander and Xtree

• 2.x
• 3.x

Quarterdeck Mosaic (1995) 1 Web Browser Windows

Quarterdeck Mosaic is a commercial web browser sold by the Quarterdeck corporation. At the time, it was faster, cleaner, more responsive, and more stable than Netscape. It had many new features that Netscape lacked, such as multiple child windows in a single window, a file/folder metaphor for bookmarks, a bookmark sidebar, right-click popup menus, and the ability for users to create annotations for each site. It also included a modem dialer and Quarterdeck's QWinsock. WebAuthor, WebTalk, and Quarterdeck WebServer.

• 1.0

RISC OS (1990) 0 Other

RISC OS is an operating system designed to run on the ARM chipset.

• 3