QuarkXPress was THE standard publishing software during the 1990s. However it failed to update its product line to newer technologies in a timely manager, charged insane amounts for updates or additional features that should have been built in to the software, and became very abusive to their customers. Later versions required a parallel port/ADB copy protection dongle. They lost most of their market share to Adobe InDesign.

Quarterdeck InternetSuite is a commercial internet connectivity package. It includes the Quarterdeck Mosaic web browser, Quaterdeck FTP, Quarterdeck Message Center, Quarterdeck Terminal, and a dialup networking system.

Quarterdeck Mosaic is a commercial web browser sold by the Quarterdeck corporation. At the time, it was faster, cleaner, more responsive, and more stable than Netscape. It had many new features that Netscape lacked, such as multiple child windows in a single window, a file/folder metaphor for bookmarks, a bookmark sidebar, right-click popup menus, and the ability for users to create annotations for each site. It also included a modem dialer and Quarterdeck's QWinsock. WebAuthor, WebTalk, and Quarterdeck WebServer.

Quattro Pro, initially just named "Quattro", is a spreadsheet application from Borland International. It competed against Lotus 1-2-3 and Excel, and had several advantages including tabbed sheets, and the ability to handle up to a million rows. Quattro Pro was the subject a lawsuit by Lotus, simply because because Quattro Pro copied their menu user interface, but Lotus claimed this was not allowed. This also affected The Twin and VP-Planner.

First introduced in 1992, QuickBooks from from Intuit, is an easy to use accounting and bookkeeping program targeted at small businesses and accounting novices. It features check writing, accounts payable and receivable, invoices, cash flow forecasting, and reporting. It provides more functionality than the home-user based Quicken.

Quicken, from Intuit, is a financial management tool for home users. It was first released in 1984 for DOS and later ported to Apple II, Macintosh, and Windows. Intuit also provided a more powerful product, QuickBooks, for small businesses.

Quicken Financial Planner is a step-by step program that analyzes your finances, determines how much money you need to retire, how much you should save, advise you in ways to invest, and how to track your progress.

Quick Link Fax, from Smith Micro Software, is a program for receiving and sending Faxes under DOS and Windows 3.1 with a compatible FAXModem. It competed against Delrina WinFax. On the Macintosh, Smith Micro provided MacComCenter.

QuickTime is Apple's Image, Video and Audio framework. QuickTime is freely redistributable, and is provided here only as a convenience. Some applications on Winworld may require that this software be installed first.

R:Base, from Microrim and first released in 1983, was a popular relational database that competed with Ashton Tate's dBASE product. R:Base was the first relational database for the IBM PC, also notable as earlier relational databases typically required more powerful hardware. R:Base also includes a form and report generator that is optimized for the capabilities of the IBM PC and features the ability to add or remove fields without losing data or relationships.

Rand McNally New Millennium World Atlas is a world map that includes roads, geographical information, statistics, and area profiles.

Rand McNally Route Planner is an electronic atlas on a CD-ROM that enables you to plot routes to plan trips across the USA. It competed with DeLorme Street Atlas, and Microsoft Expedia Streets.

Rapid: File Manager is a Windows based file manager from Gazelle Systems, the makers of Q-DOS.

RAWrite or RawWrite for windows is a utility for writing disk images to a floppy disk. This is needed to write many of the disk images from this site to a floppy disk.

ReachOut is a professional remote access and file transfer program from Stac, the makers of Stacker disk compression. With ReachOut, you can access a desktop PC or office server from any location. It can be useful to travelers, teleworking, or technical support.

Reflection is a terminal emulator suite that connects PCs to mainframes, AS/400 and Unix hosts. Each emulator in the suite is designated by number: Reflection 1 is an HP terminal emulator, Reflection 2 is a VT320 terminal emulator, Reflection 4 is a VT340 emulator, and there are also terminal emulators for IBM 3270 and AS/400.

ReferenZing, from Great Bear Technology, makes a Windows-based dictionary, thesaurus and encyclopedia accessible from the menu bar in popular word processing applications such as Word Perfect, Microsoft Word and Ami Pro. The software's advanced search capabilities include six types of easy-to-use word searches: partial word, advanced search, rhymes, crosswords, anagrams and jumbles. Users can check spelling and definitions, add flare to writing by looking up new words in the thesaurus or find facts in the encyclopedia. ReferenZing's encyclopedia, The New American Desk Encyclopedia, features more than 14,000 entries, covering statistics, as well as biographical, historical and geographical information.

Relay/PC Gold is a powerful telecommunications program targeted at corporate users. It supports multiple communications sessions, scripting, file transfers, IBM 3270 connectivity, DEC Terminal emulation, and TCP/IP connectivity.

Remedy Action Request System is a powerful and flexible high-end client/server based helpdesk management program. It featured an easy to use design that was based around actual helpdesk needs. It was used in many large businesses

RenderMan is a 3d-rendering program produced for in-house use at Pixar and made available for commercial user. It also represented a standard way to store rendering data and interface between modeling and rendering programs.

ReportSmith is a database reporting and query tool that is the perfect companion to your PC data management software. Its WYSIWYG "live" data approach to reporting provides users with a drag and drop, visual interface that makes report creation and customization a snap. bought by Borland. Version 2.0 was the first retail release.

RightWriter is a grammar / structure checking utility. You can feed it a document, and it will produce a marked up copy listing high level critiques such as readability, delivery strength, and jargon. It competed with Grammatik, but RightWriter generally produced superior results.

RuppLynx is a software program for synchronizing data from various Sharp Wizards, Zauruses, and other organizers, kind of like a rudimentary (but fully featured) Palm Desktop.

Saber Menu System, from Saber Software Corporation, is a powerful and highly customizable menu system specifically geared towards LAN administration. It features automated network login integration, server auto-routing, the ability to customize per user or per workstation, and built in usage reporting. For a time it was bundled with Novell Netware. It is compatible with Novell, 3Com, Banyan, IBM, CBIS and MS-NET based networks.

Schedule Plus is a calendar/personal information manager. It is designed to operate using a shared network Microsoft Mail "mailbox" over a LAN.