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.

SPI Open Access 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. Open Access was among the early integrated office suites. Its primary strength was for network use, as multiple users could open and edit the same documents.

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.

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.

Orthodontic Computer Software Patient Information Management System is a custom business program specifically designed to aid in the management of orthodontic practices.

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.

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.

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.

Logetech's PaintShow Plus is a DOS based bit-mapped drawing program bundled with Logitech mice. Like ZSoft PC Paintbrush, Microsoft PC Paintbrush, and Mouse Systems PC Paint, PaintShow Plus clones the MacPaint user interface.

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

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.

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.

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.

PATHWORKS is a network client suite that enables PCs to communicate with VMS and Ultrix systems from Digital Equipment Corporation.

PC Animate Plus, from Presidio Software, Inc, is a two dimensional paint and animation package. It can use 256 colors and Sound Blaster sound. It supports SVGA resolutions and 32k colors on select video cards. Supports frame rotation and scaling, pixel painting and pallet effects, cell animations, and can import Autodesk FLI animations.

PC Globe is an electronic atlas of the world that provides profiles, maps, geography, and graphics for the countries of the world. It can generate a variety of reports using this data and export map graphics. They also sold a USA specific version called PC USA that contains more detail about the US states. A related product was released for Windows as PC Globe Maps N Facts.

PC Globe Maps N Facts is a multimedia reference tool from Broderbund that includes geographic maps, statistics, and information about countries all over the world. released under Broderbund.

PC Illustrator, first released in 1984 by Computer Graphics Group, Inc of Atlanta Georgia, is an easy to use freehand drawing and business charting package. Charting mode supports bar, area, line, and pie charts, and you can add your own drawings around the chart. It supports the use of a Microsoft compatible mouse, light pen, or digitizing pad.

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

PC Paint, from Mouse Systems Corporation, is a Macintosh MacPaint-like paint program for the PC. It was often bundled with Mouse Systems mice. Despite the similar sounding name and appearance, it is NOT related to Microsoft/ZSoft PC Paintbrush.

ZSoft PC Paintbrush is a bitmap drawing program visually similar to MacPaint. The earlier DOS versions were often bundled with Microsoft and Microsoft compatible mice, and were notable for supporting a huge variety of video adapters. It competed against Mouse Systems PC Paint (not related despite the similar name). ZSoft PC Paintbrush eventually became Microsoft Paintbrush included in Windows 3.x. For Microsoft's rebranded version see Microsoft Mouse and Microsoft Paintbrush

Telenet (later Sprintnet) was a worldwide communications network that connected terminal users and host computer systems, enabling them to access the Telemail host system by dialing a local telephone number and avoiding costly long-distance charges . conjunction with the Telemail service. The PC Telemail system enables your personal computer to mimic the functions of the Telemail host computer. It contains many additional features which enhance the use of the overall Telemail service. capabilities, forms design and creation, automatic and timed message exchange, Activity and status logs for tracking messages, and Communications with other computer systems.

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.

This is a USA specific version of PC Globe. PC USA provides an electronic atlas of the USA that provides profiles, maps, geography, and graphics for the sates. It can generate a variety of reports using this data and export map graphics.

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.