ObjectVision (1991) 1 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

ODS Menu Planner (1995) 0 Novelty Windows

Menu Planner is a rudimentary low cost application that assists users in planning diet meals. It walks users through a series of "wizard" style selections, keeps track of calories and usage, and provides users with a list of possible meal plans.

• 5.0 (Win)

Official Guide to Netscape Navigator (1995) 0 Education Windows MacOS

The Official Guide to Netscape Navigator, from Personal Training Systems, is an interactive training tool for teaching new users the ins and outs of using Netscape Navigator to access information on the Internet.

• 1.x

Omnis (1985) 4 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

Ontrack Disk Manager (1987) 27 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
• 7.x
• 8.x
• 9.x

Ontrack PowerDesk (2000) 0 Utility Windows

Ontrack PowerDesk is a powerful file manager for Windows 9x/NT that includes built in archive management, file searching, and an FTP client.

• 4.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 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

Oracle Database Designer (1996) 0 Windows

Oracle Database Designer is a database model generation tool and database editing environment for Oracle Databases and ODBC compatible database. It is a "lower cost" and less powerful product than Oracle Designer/2000.

• 1.0

Oracle Designer (1997) 2 Windows

Oracle Designer, originally known as Oracle CASE is a development tool based around the idea of "Computer Aided Software Engineering" that uses a design repository and data modeling. Designer, and later versions of CASE are built around the Oracle Forms environment.

• 2000

Oracle Discoverer (1998) 0 Server Windows

Oracle Discoverer is an ad-hock reporting tool used with Oracle databases. It can view and edit data and produce reports and graphs.

• 3.x
• 4.x

Oracle Forms and Reports (1997) 43 Database Windows

Oracle Forms and Reports is a GUI application builder. It is similar to Visual Basic, but uses the PL/SQL language and integrates heavily with Oracle Server databases.

• 4.5 (Developer 2000)
• 6i

Oracle Server (1991) 0 Server Database DOS Windows

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
• 7
• 8

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) 29 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) 12 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) 37 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) 2 OS2

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

• Vol. 8
• Vol. 12

OS/2 Warp 4 (1996) 120 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) 0 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

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