Citrix Multiuser (1991) 7 OS2

Citrix Multiuser is a customized version of Microsoft OS/2 1.21 that turns it in to a real multi-user operating system. With Citrix Multiuser, users can connect and simultaneously run character cell based applications from remote serial terminals. To prevent users from interfering with each other, it adds security permissions to devices and files. It can use multi-port serial port boards like the Digiboard, or any serial device that has OS/2 1.21 drivers. based application or DOS executables, and programs can not use graphics modes. It also does not have support for networking. separation, which was an almost instant fatal blow as Citrix was licensing OS/2 code through Microsoft. making MS-DOS multi-user until eventually they released a Windows NT based version.

• 1.0

Citrix Multiuser Link (1991) 0 Communications DOS OS2

Multiuser Link is a telecommunications program that Connects a PC running DOS or OS/2 to a Citrix Multiuser system via standard RS-232C serial directly or with a modem.

• 1.0

DeScribe (1991) 8 Word Processor Windows OS2

DeScribe is a word processor with some advanced features primarily for OS/2. Later, it was made available for Windows 3.1, 95, and NT.

• 3.0

Freelance Graphics (1985) 4 Presentations Graphics OS2

GCI/Lotus/IBM Freelance Graphics is a vector based presentation and graphing package developed for DOS, OS/2, and Windows. It was intended for use alongside Lotus 1-2-3. Later versions were part of SmartSuite. Before it was acquired by Lotus it was known Freelance, from Graphic Communications.

• 1.0 (OS/2)

IBM Developer's Toolkit (1990) 0 OS2

IBM's toolset and libraries for developing OS/2 applications. It may be used with IBM C Set++.

• 1.30

LAN Manager (1988) 10 OS2

Microsoft LAN Manager is a networking system for OS/2 similar to their earlier MS-NET product. Licensed variants of this product include 3Com 3+Open, HP LAN Manager/X, IBM LAN Server, and Tapestry Torus.

• 2.x

Lotus 1-2-3 (1983) 63 Spreadsheet OS2

Lotus 1-2-3 was an early spreadsheet application available for MS-DOS. It became extremely popular in the late 1980s, displacing the former leader VisiCalc. Lotus had difficulties adapting 1-2-3 to the Windows environment, and was overtaken by Microsoft Excel. Spreadsheet functionality was also included in Lotus Symphony. Later versions were included in Lotus SmartSuite.

• 1.x (OS/2)

Microsoft C/C++ (1983) 48 DOS Windows OS2

This is the original standalone Microsoft C/C++ compiler for DOS and Windows - Later versions were rebranded and renumbered as Microsoft Visual C++ and were bundled with Visual Studio or the SDKs.

• 6.x

Microsoft Excel (1985) 71 Spreadsheet Windows OS2 MacOS

Excel, from Microsoft, is a powerful spreadsheet application for Mac, Windows, and OS/2. Excel was first released for the Mac. When it was ported to Windows 2.x, they started at version "2.0" to one up current Mac version. There was never a DOS version. Instead, DOS and 8-bit platforms used the older Microsoft Multiplan. Excel was later bundled as part of Microsoft Office

• 3.x

Microsoft Network Driver Development Kit (1990) 0 DOS OS2

This is a set of development tools used to create network drivers for DOS and OS/2.

• 2.x

Microsoft OS/2 SDK (1987) 17 OS2

The Microsoft OS/2 SDK includes pre-release builds of OS/2, beta development tools, sample code, and loads of documentation. These were released prior to the OS/2 1.0 and 1.1 releases. Microsoft charged $3,000 in 1987 for the SDK. It was criticized as overpriced, buggy, and slow.

• 2.0

Microsoft Source Profiler (1991) 0 DOS OS2

Microsoft Source Profiler is an application speed analysis tool for use with Microsoft language products. Version 1.x supports both DOS and OS/2.

• 1.x

Microsoft Word (1983) 130 Word Processor OS2

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 (OS/2)

OS/2 1.x (1986) 37 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 |

• 1.3

OS/2 2.0 (1991) 19 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

PC Magazine Labs Performance Tests (1991) 0 Utility DOS Windows OS2

These disks contain Hardware and Graphics tests from 1990 for Microsoft Windows 2, and OS/2 1.x Presentation Manager.

• 1.x

Watcom C/C++ (1989) 9 DOS OS2

The Watcom C/C++ is a powerful compiler for DOS, Windows, and OS/2. Its key selling point was superior cross platform support. It supported DOS, extended DOS 32-bit, Win16, Win32, and OS/2. Notably, it was used to produce the video game DOOM as a 32-bit DOS extended program.

• 8.5

WordPerfect (1983) 109 Word Processor OS2

During the late 1980's, WordPerfect was THE standard word processor for DOS based PCs in big business. Under DOS, it competed mostly against Wordstar. WordPerfect for Windows enjoyed some success in the early Windows environments, but was quickly displaced by Microsoft Word for Windows. Later Windows versions were part of Borland Office/Novell PerfectOffice/Corel Office/Corel WordPerfect Office.

• 5.0 (OS/2)