Open Systems Accounting (1985) 1 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 Discoverer (1998) 4 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 Server (1991) 8 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

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

Packard Bell Navigator (1993) 19 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
• 3.9

Palindrome Network Archivist (1993) 2 Server DOS

Palindrome Network Archivist is an enterprise server program to back up Novell NetWare servers onto tape drives.

• 3.0

Parsons Atomic Clock (1999) 0 Utility Windows

Parsons Atomic Clock is a fancy utility for synchronizing your computers clock with a time server, either via modem or to an internet time server. Features include an audio spoken clock, time drift estimates, daytime map, lunar phase events, and customizable time counters.

• 5.0

Parsons MoneyPlans (1989) 0 Financial DOS

MoneyPlans consists of a series of financial calculations intended to assist you in planning your personal financial situation. This includes calculations for Life Insurance, Disability Insurance, Education, Retirement, Cash Vs Loan, Leas Vs. Loan, Adjustable Rate Loan, Loan Comparison, CD Comparison, Bond Volatility, and Discount Feasibility.

• 1.x

Partition Commander (1988) 2 Utility DOS

Partition Commander is a Wizard based partition and disk utilization tool. It supports FAT, FAT32, NTFS, HPFS, and some Unix file systems.
It runs in real-mode DOS and installs from only two floppy disks. It competed directly against Partition Magic. Memory Commander, a 386 Expanded/Extended Memory Manager.

• 1.x

Partition-It (1996) 0 Utility Windows

Partition-It, from Quarterdeck, is a partitioning tool that features a native Windows 95 32-bit application. It was later acquired by Symantec. Partition-It competed against Partition Magic.

• 1.0

PartitionMagic (1995) 46 Utility DOS Windows

A tool from PowerQuest, and later Symantec, that enables manipulation of partitions through its own bootable media. PartitionMagic can shrink, grow, or move partitions without the need to backup and restore files in that partition. It supported a variety of file systems, and the core DOS-based parition tool fit on a bootable 1.44mb floppy disk. It was extremely popular, and made installing or removing multiple OSes much easier.

• 2.x
• 3.x
• 4.x
• 5.x
• 6.0
• 7.x

PC Magazine Labs Performance Tests (1991) 2 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

PC Tools (1985) 57 Utility DOS Windows

PC Tools, from Central Point Software, is a system and disk utility suite similar to the Norton Utilities. Central Point also produced a similar set of tools for the Apple Macintosh known as MacTools. Central Point Backup, bundled as part of PC-Tools, was also offered as a standalone product.

• 1.x
• 2.x
• 3.x
• 4.x
• 5.x
• 6.x
• 7.x
• 8.x
• 1.0 for Windows
• 9.x
• 2.0 for Windows

PC World PowerBase/Best Of Star-Dot-Star (1988) 1 Utility DOS

PC World PowerBase/Best Of Star-Dot-Star is a set of user contributed utilities and tips. These 5.25" floppy disks were distributed alongside the PC-World magazine as a supplement to their long running Star-Dot-Star column.

• Vol I
• Vol II
• Vol III
• Vol VI
• Vol V
• Vol IV

PC-Calc (1984) 1 Spreadsheet DOS

PC-CALC is an easy-to-use "Visible Spreadsheet" program. If you work with numbers, at home, on the job or at school, PC-CALC is for you. Whether the task is simple or complex, PC-CALC can help you. By using its powerful commands, reports can be produced in minutes that would take hours to do manually, or days to write in BASIC. PC-CALC, written by Jim "Button" Knopf of ButtonWare ( http://en.wikipedia.org/wiki/Jim_Knopf ), is historically notable because it was one of the first programs marketed as shareware.

• 2.0
• 3.0

PC-Fullbak (1988) 0 Utility DOS

PC-Fullbak was a small low-cost hard drive backup program that aggressively competed head-on against Fifth Generation Systems Fastback. It was comparatively speedy, and supported appending to existing backups. under the name "PC-FullbakEZ". There were also versions for the Macintosh.

• 2.x

PC-Tools File Manager (1994) 2 Utility Windows

This is a standalone version of the enhanced filemanager that was bundled with PC-Tools for Windows. This version was released after Symantec acquired Central Point and discontinued the PC-Tools product.

• 3.0

PC/DACS (1995) 1 Utility OS2

PC/DACS is a system utility that adds password protected access control to a computer. It support session timeout, usage time restrictions, boot protection, system drive encryption, and GUI tools for all administrative tasks.

• 2.x

Peachtext 5000 (1983) 4 Word Processor Financial Database DOS

PeachText 5000 is a complete personal productivity system for word processing, financial modeling, mailing lists and simple database management. It contains a thesaurus, spell checker, and file conversion tools.

• 2.x

Peachtree Complete Accounting (1992) 10 Financial DOS Windows

Peachtree Accounting was originally created in 1975 by an Altair dealer, The Computer SystemCenter, in Atlanta, Georgia to help sell Altair computers. That possibly would have made it the first accounting package for personal computers.

• 6.00 (DOS)
• Crystal 5.0
• 8.00 (DOS)
• 3.0 (Win)
• 9.00 (DOS)
• 4.0 (Win)

Peachtree Inventory Management (1984) 5 Financial DOS

Peachtree Inventory Management is a business accounting tool for tracking sales inventory.

• 1984

Peachtree Mailing List Manager (1982) 2 Utility CPM

Peachtree Mailing List Manager, from Peachtree Software Incorporated, is a mailing list manager included with Peachtree software bundles.

• 1

Perfect Calc (1983) 4 Spreadsheet DOS

Perfect Calc, from Perfect Software, Inc, is a VisiCalc-like spreadsheet for DOS. It was somewhat of a budget product, and bundled with a number of CP/M and DOS systems.

• 1.15

PerfectOffice (1995) 6 Word Processor Spreadsheet Presentations Graphics Database Windows

PerfectOffice is a bundle of office applications that competed head on with Microsoft Office.It bundles WordPerfect and a number of other office applications. This bundle started out as "Borland Office", was briefly known as "Novell PerfectOffice", then "Corel Office", and under Corel it later became "WordPerfect Office". (Not to be confused with the unrelated ~1990 groupware program, also called "WordPerfect Office")

• 3.0