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

Norton Navigator is a set of user interface add-ons for the new Microsoft Windows 95 desktop shell geared towards power users. Rather than a complete shell replacement like Norton Desktop, Norton Navigator adds functionality to the existing Windows Explorer user interface.

Norton NT Tools was a precursor to the Norton Utilities for NT. It does not contain disk utilities associated with the Norton Utilities, but instead includes some of the higher level tools.

Norton Personal Firewall is a software product that helps protect computers against threats from the Internet at the TCP/IP protocol level.

Norton SystemWorks was a utility software suite by Symantec Corp. It integrates three of Symantec's most popular products – Norton Utilities, Norton CrashGuard and Norton AntiVirus – into one program designed to simplify solving common PC issues. Backup software was added later to high-end editions. SystemWorks was innovative in that it combined several applications into an all-in-one software for managing computer health, thus saving significant costs and time often spent on using different unrelated programs.

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.

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.

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

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.

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.

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.

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.

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.

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.

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.

These disks contain Hardware and Graphics tests from 1990 for Microsoft Windows 2, and OS/2 1.x Presentation Manager.

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.

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.

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.

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.

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.

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

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.

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

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