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

ODIN (1994) 0 Virtualization OS2

Tools for converting and running Windows applications in OS/2.

• 4.0

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
• 5.0

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
• 6.x

Ontrack Drive Rocket (1994) 0 DOS Windows

Drive Rocket is an IDE driver for DOS/Windows 3.1 that bypasses the BIOS and makes use of newer IDE features to accelerate hard disk transfer speeds.

• 1.0

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

OS/2 3.x (1994) 14 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

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

Outside In (1991) 0 Utility DOS

Outside In, from Systems Compatibility Corp, is a TSR file viewer that can copy and paste blocks of text from documents in to DOS applications.

• 1.x

Overhead Express (1984) 0 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

Packard Bell Navigator (1993) 1 Utility Other Windows DOS

Packard Bell Navigator is an alternate user interface that replaces the Windows 3.1 Program Manager shell. It presents the content of your computer as a series of rooms.

• 1.0
• 1.1
• 3.5
• 3.6

PageMaker (1987) 86 Publishing Windows OS2 MacOS

Aldus PageMaker, later Adobe PageMaker, is a desktop publishing program for Mac and Windows. First released in 1985, PageMaker was the first desktop publishing program for the Macintosh. It was followed over a year later with the release of 1.0 for the IBM PC. The PC version was a notable application as it was one of the few rare applications which would run under Windows 1.x. PC PageMaker 1.0 bundled a runtime version of Windows. This enabled MS-DOS users who had not decided to buy Windows to run PageMaker. Aldus skipped version 2.0 on the PC to bring version number in sync with the 3.0 Mac product.

• 1.00
• 1.0A
• 3.00
• 3.01
• 4.0
• 5.0