Norton Backup (1990) 2 Utility DOS

Norton Backup, from Symantec, is a fast and easy to use backup tool for MS-DOS. The original 1.0 suffered from reliability problems, but these were fixed in 1.1. It does not include a backup scheduler. It competed against backup utilities such as PC Tools Deluxe PC Backup, Taketwo Manager, Gazelle Systems Back-It, Backup Pro, FastBack Plus, and Keep Track Plus.

• 1.x
• 2.x

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)
• 4.x
• 5.x
• 5.5x

Norton Desktop (1991) 2 Utility 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 DOS

Norton Utilities (1983) 23 Utility DOS

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
• 5.0
• 6.0
• 7.0
• 8.0

Open Access (1990) 3 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

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

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) 3 Utility Other 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.

• 3.5

Partition Commander (1988) 0 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

PartitionMagic (1995) 28 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

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

PC Tools (1985) 12 Utility DOS

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

PC World PowerBase/Best Of Star-Dot-Star (1988) 0 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) 2 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/DACS (1995) 0 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

Peachtree Mailing List Manager (1982) 0 Utility CPM

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

• 1

Perfect Calc (1983) 0 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

Perks (1987) 0 Utility PIM DOS

Perks-PC is a set of terminate-and-stay-resident utilities originally designed for the Zenith Z-100 and optimized for use on laptop computers. It features a notepad, typewriter tool, a four-function calculator, appointment calendar, card file, a rudimentary telecommunications program with file transfer abilities, and alarm clock. Notably, it claims to support all versions of DOS including DOS 1.x.

• 2.x

PFS First Choice (1987) 0 Word Processor Spreadsheet Presentations Database DOS

PFS First Choice is a simple, easy to use integrated office suite marketed towards new users. It includes a word processor, spreadsheet, graphics, database, and telecommunications. First Choice is similar to, but not as feature rich as, the standalone PFS office products. It competed against AlphaWorks/LotusWorks and Microsoft Works.

• 1.x
• 2.x
• 3.x

PFS Preface (1990) 0 Utility DOS

PFS Preface is a menu system and file manager for DOS that uses an interface style similar to other PFS products.

• 1.00

PFS Professional Plan (1987) 0 Spreadsheet DOS

PFS: Professional Plan is a spreadsheet program that offered more features than Lotus 1-2-3. It can read and write Lotus 1-2-3 1.x and 2.0 files, has advanced formula and macro capabilities, a large choice of built in report writing options, and built in Presentation Graphics. Earlier version went by the name PFS:Plan

• 1.x

PFS Proof (1984) 0 Utility DOS

PFS:Proof is a stand-alone spell checker that is compatible with PFS:Write documents, and part of the low-cost PFS office suite.

• Axx
• Bxx

PFS:Plan (1984) 0 Spreadsheet DOS

PFS:Plan. from Software Publishing Corp, is a spreadsheet that you can use for all types of numerical planning, tracking, analyzing, and reporting . Later it evolved in to PFS:Professional Plan, and IBM rebranded a version as IBM Planning Assistant.

• A:xx

PKZip (1990) 9 Utility DOS

Pkzip is the most common archiver for MS-DOS based systems. It implements a an open compression method and is much faster than other archivers of its time.

• 1.x
• 2.0x