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.

Perfect Filer, from Perfect Software, Inc, is an easy to use database for DOS bundled with a number of early DOS and CP/M computers. "Perfect Filer is designed to assist you in the effective management of information. Essentially Perfect Filer allows you to build a computerized records management system where data on clients, customers or other case records can be stored . No more typing and retyping the same information, searching through file drawers, or hand copying or typing information stored in a file . With Perfect Filer your computer can do these tasks and more . You enter information in the file only once, Perfect Filer retrieves it, prints it where and how you want it-on invoices, shipping labels, monthly statements, form letters, etc . Perfect Filer's uses in the modern office are unlimited."

Perfect Link, from Perfect Software, Inc, is a rudimentary terminal telecommunications program for DOS.

Perfect Writer, from Perfect Software, Inc, is a simple word processor for MS-DOS and CP/M-80 systems. It was bundled with many 8-bit CP/M systems and some early MS-DOS and IBM PC compatible computers. It was generally considered a low end entry-level product, but it was designed with portability in mind.

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.

Personal Pearl is an easy to use relational database information manager targeted at home users. It originated on the CP/M-80 operating system and was bundled with many 8-bit computers such as the Osborn, Morrow, and Epson computers.

PFS Access is an easy to use, but rather basic, telecommunications program designed to fit in with the low cost PFS series products. It lacks many features found in more professional products.

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.

First Graphics, from Software Publishing Corp, is a business graph plotting program. It is similar to, but not as full featured as Harvard Graphics. Earlier version were known as PFS:Graph

First Publisher, from Software Publishing Corporation, is a WYSIWYG desktop publisher for DOS that excels at producing extremely high quality text and graphics print even using dot-matrix printers. This program originated as T/Maker Clickart. In 1991 Software Publishing Corp sold their PFS series to Spinnaker Software, where it became Easy Working Desktop Publisher.

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

PFS Professional File is an easy to use flat-file database for DOS. It is a combination of the earlier PFS:File and PFS:Report products.

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

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

PFS:File is an easy to use flat file database that started off as "PFS: The Personal Filing System" on the Apple II and then ported to the IBM PC, TRS-80, and other platforms. OEM version were available from various companies including IBM. Later it evolved in to PFS:Professional File, and IBM rebranded a version as IBM Filing Assistant.

PFS:Graph, from Software Publishing Corporation, is an easy to use graphing application for early IBM PC compatibles, Apple IIs, Apple IIIs, and Macintosh. Later it evolved in to PFS:First Graphics, and IBM rebranded a version as IBM Graphing Assistant.

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.

PFS:Report is a companion product to PFS:File. It prepares and prints tabular reports, according to your specifications, from the information stored in a PFS file. IBM rebranded a version as IBM Reporting Assistant. The functionality of this product was later integrated in to PFS:Professional File

PFS:Write, originally from Software Publishing Corporation and later sold to Spinnaker Software, was an early and easy to use word processor for the IBM PC and Apple II. It was also licensed by IBM as IBM Writing Assistant. It can exchange data between PFS:Graph, PFS:File, and PFS:Report. SPC later replaced PFS:Write with Professional Write. Early versions had no built in spell checker, and were instead used with PFS:Proof.

Phasar is an easy to use, low cost "budget" home accounting system, and register for DOS.

Pizazz Plus is a commercial screen shot utility for MS-DOS, with support for Windows. It features built in image enhancement, card-specific support for a large number of video cards, built-in printing with support for a huge number of printers, and converter export tools for many file formats.

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.

PlanPerfect, originally called MathPlan, is a spreadsheet and graphing companion to WordPerfect. It supports the same printers as WordPerfect and is optimized for lower-end machines. PlanPerfect was mainly targeted at existing WordPerfect users. also enjoy PlanPerfect.

Policies Now is a document creation wizard that specializes in corporate policies. It provides general purpose templates with carefully constructed language that are customized via a series of questions. The results may be manually customized further with a built in text editor. accompanied by "DescriptionsWrite Now!" (A job description writing tool), and "Personal Policy Expert". These were renamed to "Policies Now!", "Description Now!", and "Policies Now! HR Pro Edition" respectively.

PolyWindows DeskPlus is a collection of memory resident accessories for DOS. It was first released in 1984 by POLYTRON Corporation. It includes an editor, index cards, a calendar/appointment book, an alarm clock, several calculators, a phone dialer, DOS functions, keyboard macros, and can cut-and-paste between applications. HQ, Mastro, PC Desk, Pop-Up Desk Set, and WordPerfect Library.