Norton Commander (1986) 46 Utility DOS OS2

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
• 1.x (OS2)

Norton Desktop (1991) 7 Utility Windows DOS

Norton Desktop is a powerful desktop shell and file manager bundled with many additional tools. There are versions for both DOS and Microsoft Windows.

• 1.0 for Windows
• 2.0 for Windows
• 1.0 for DOS
• 2.2 for Windows
• 3.0 for Windows

Norton Editor (1990) 3 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) 0 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) 28 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
• 6.0
• 2.0 for Mac
• 7.0

Nota Bene (1990) 0 Word Processor DOS

First released in 1982 and based on XyWrite, Nota Bene is a word processor specifically tailored to academic use. It is a very complex, unfriendly, program, but it is packed full of features. Features include footnotes, endnotes, redlining, styles, outlining, tables, indexes, bibliographies, a text retrieval system, foreign language support, spell checker, thesaurus, and a built in programming language. The Ibid component was an option that acted as sort of a database of bibliographic references.

• 3.0

Novell Network Support Encylopedia (1992) 1 DOS

The Network Support Encyclopedia Professional Volume (NSEPro), was Novell's high-priced technical knowledge base on a CD-ROM. Intended for Novell support professionals, it contained up-to-date product support documentation in a searchable hypertext system.

• 1992

Nutshell (1986) 0 Database DOS

First released in 1984, Nutshell was one of the first easy-to-use general purpose databases. It was created by Nashoba Systems and initially distributed by Leading Edge. layout design. It also supports calculated fields and sorting. version through Forethought Inc. as FileMaker. Later, Nashoba was acquired by Claris, where the product eventually became FileMaker Pro. found here: FileMaker History

• 2.0

ObjectVision (1991) 0 Windows

ObjectVision is a forms-based programming environment from Borland. It is different from others in that all "programming" is done using decision trees rather than a programming language. ObjectVision can read and write Paradox, Btrieve, Dbase III, and III Plus databases.

• 1.x
• 2.x

OfficeWriter (1989) 0 Word Processor DOS

OfficeWriter, from Office Solutions, Inc and later Software Publishing Corporation, is a word processor that mimics the Wang word processor system. It was targeted at corporations and competed against Multimate, another Wang word processor workalike.

• 6.x

Omnipage Pro (1992) 1 Document Windows

Omnipage is an optical character recognition (scanned image) application that can export to a number of document formats. It was often bundled with scanners.

• 2.x

Omnis (1985) 1 Database MacOS Windows DOS

Omnis, from the European based Blyth Software, is an easy to use multiuser relational database for Windows, MacOS, and OS/2. It was the first database ported to Microsoft Windows, which ran on Windows 1.0x.

• 3.x (Mac)
• Quartz (Win)
• 5

Omniview (1992) 0 Utility

Omniview 386 was a multitasking application manager for DOS produced by Sunny Hill Software in the late 1980's. Version 4.11 was reviewed in the February 13, 1989 issue of InfoWorld.

• 4.x

Ontrack Disk Manager (1987) 0 DOS

Ontrack Disk Manager is a BIOS overlay and partitioning tool that helps you overcome various BIOS hard drive size limits. It was commonly bundled with hard drives.

• 3.x
• 4.x
• 5.x

Open Access (1990) 0 Word Processor Spreadsheet Graphics Communications Database DOS

Open Access III is a DOS based integrated office suite that includes a database, word processor, spreadsheet, statistical analysis, graphics, telecommunications and a C style custom application programming language.

• III

Open Genera (1993) 0 Unix

Genera is a commercial operating system and integrated development environment for Lisp machines developed by Symbolics. It is essentially a fork of an earlier operating system originating on the Massachusetts Institute of Technology (MIT) AI Lab's Lisp machines which Symbolics had used in common with Lisp Machines, Inc. (LMI), and Texas Instruments (TI). Genera is also sold by Symbolics as Open Genera, which runs Genera on computers based on a Digital Equipment Corporation (DEC) Alpha processor using Tru64 UNIX. the programming language Lisp. software using a mix of programming styles with extensive support for object-oriented programming.

• 1.0

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

OPTune (1991) 0 Utility CPM

OPTune is a disk optimizer, file system repair tool, and disk tester. It also includes an tool that can change the low-level format sector interleave on MFM/RLL drives, similar to Spinrite.

• 1.x

Oracle Office (1993) 1 Communications Windows

Oracle Office 2.0 is a groupware solution from Oracle, similar to Lotus Notes or WordPerfect Office (Groupware), but uses Oracle's database as a backend and includes database functionality in addition to document processing. It featured the ability to connect thousands of users at once. This software later became "Oracle Documents".

• 2.0

Oracle Server (1991) 1 Server Database DOS

Oracle Server is an enterprise grade relational database used in many corporations. It was mainly targeted at high end server operating systems, such as IBM AIX, Sun Solaris, HP UX, Digital VMS, Linux, and Microsoft Windows NT. Oracle makes current versions of their software avaialble for download, but older versions usually disappear.

• 6

Oracle Server Developer (1989) 0 OS2

These are development tools, mainly SQL Plus, for use with an Oracle Database.

• 5.x

Orion Hardcard Drivers (1989) 0 DOS

Drivers for the Orion branded Hardcard 20 & 40 products. These were 20MB and 40MB hard disk drives fitted onto an ISA card, instead of using a drive bay. 4.x onto the Hardcard.

• 89

Orthodontic Computer Software PIMS (1987) 0 Other DOS

Orthodontic Computer Software Patient Information Management System is a custom business program specifically designed to aid in the management of orthodontic practices.

• 9.0

OS/2 1.x (1986) 4 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) 13 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