Q-DOS (1989) 6 Utility DOS

Gazelle Systems Q-DOS is a text mode based file manager for DOS. Q-DOS is a simplified file manager that presents all DOS functions visibly. It competed against many other file managers including Norton Commander and Xtree

• 3.x

QBasic (1991) 15 DOS

Microsoft QBasic, not to be confused with QuickBasic, is a stripped down version of the Microsoft QuickBasic product that replaces GW-Basic in MS-DOS 5.0 and later. QBasic is an interpreter only, and can not compile standalone executables. QuickBasic sources can be compiled into binary EXE files with QuickBasic or Visual Basic for DOS.

• 1.x

QEdit (1990) 3 Editor DOS

SemWare's QEdit is a powerful, highly responsive, and scriptable text-mode editor. It was also distributed as shareware. It competed with programs like Borland Brief.

• 2.1
• 3.0

QEMM (1990) 20 Utility DOS Windows

Quarterdeck QEMM is a DOS Extended Memory Manager for 386+ computer which allows you to make use of memory beyond the 640kb barrier. It can also be used with QRAM, a utility for freeing up the 640k base memory.

• 5.x
• 6.x
• 7.x
• 8.x
• 9.x

Qmodem (1992) 0 Communications DOS

Qmodem was a friendly, well designed, and feature rich, commercial telecommunications program that was also distributed in shareware form. The first release was in 1984 by John Friel III, and sold to Mustang Software in 1991. During the early years, it competed with PC-Talk. During the later years, it competed with Procomm and Telemate.

• 4.5 (DOS)
• PRO 1.0 (DOS)

QNX (1982) 22 Unix

QNX is a compact Unix-like real-time operating system that was originally designed for the IBM PC and later used in embedded devices. The versions here are for IBM PC compatibles.

• 2.2
• 4.2
• 1.44mb Demo

QRAM (1990) 3 Utility DOS

QRAM is a memory management tool for 8088, 8086, and 286 based PCs. It can work with LIM 4.0 EMS memory cards, shadow RAM, and even VGA memory to free up or add to the base 640k memory. It also provides XMS compatible extended memory services, so it can replace Microsoft's himem.sys.

• 1.x
• 2.x

Qualitas 386MAX (1992) 8 DOS

Qualitas 386MAX is a memory manager that competed with Quarterdeck QEMM and Memory Commander. It features ease use, with automated configuration and optimization. It claims to make more DOS memory available than other similar tools at the time.

• 6.x
• 7.x
• 8.x

QuarkXPress (1986) 11 Publishing DOS

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.

• 3.x

Quarterdeck GameRunner (1995) 0 Utility DOS

Quarterdeck GameRunner, from Quarterdeck Corporation, is a specialized packaging of their QEMM memory management product that is specifically designed to automatically maximize the memory and speed available to known games. DOS based games of the time used a hodgepodge of memory access methods, that varied from product to product and often created conflicts. GameRunner attempts to mitigate some of this chaos by providing automatic configuration and management.

• 2.x

Quattro Pro (1987) 14 Spreadsheet DOS Windows

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.

• 2.x
• 3.x
• SE 1.0
• 4.x (DOS)
• 5.x
• 5.6 (DOS)

QuickBooks (1993) 1 Financial DOS

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.

• 2.x (DOS)

Quicken (1989) 6 Financial DOS Windows

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.

• 4.x (DOS)
• 5.x (DOS)
• 6.0 (DOS)
• 7.x (DOS)
• 3.x (Win)
• 8.x (DOS)

QuickLink (1990) 12 Communications DOS Windows

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.

• II 1.0
• II 2.0
• II 3.2 (Win)

QuickMenu (1991) 6 Utility DOS

QuikMenu III is an icon-based graphical menu and desktop for DOS.

• 1.x

QuickPay (1994) 0 Financial DOS

Intuit QuickPay is a payroll management tool that works on top of Quicken. It Includes customizable payroll account/category names, tracking of emplyees' work, sick and vacation hours.

• 3.0

R:Base (1985) 0 Database DOS

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.

• 3.x
• Personal 1.0
• 4.x

RAMpAT-Plus (1994) 0 DOS

The RAMpAT!-Plus is a 16-bit ISA memory expansion card for AT 286 and 386 based systems. The card enables users to expand the system memory beyond what can be installed on the system motherboard. It can be used as directly accessible AT-style "XMS" memory but can also be configured as XT-style paged "EMS" memory, for applications that may need that.

• 1.x

RAR (1999) 3 Archive DOS

A console utility to extract and create RAR files.

• 2.50

Real/32 (1994) 10 DOS

Real/32, also known as Real/NG or IMS Multiuser DOS, from Intelligent Micro Software, is a real-time multitasking multiuser DOS compatible operating system based on Digital Research's Multiuser DOS.

• 7.x

Red Hat Linux (1997) 15 Linux

Red Hat Linux was a popular early Linux distribution, that was made available as a boxed set available in stores.

• 5.0

ReportSmith (1994) 2 DOS

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.

• 2.5

RightGrammar (1991) 2 Utility DOS

RightGrammar 1.0 was a short lived rebranded version of RightWriter 4.0. It is not clear why it was rebranded or if there is any difference.

• 1.0

RightWriter (1987) 12 Utility DOS

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.

• 4.0

RIPaint (1993) 0 Graphics DOS

RIPaint is a tool for creating Remote Imaging Protocol vector graphics to be displayed over BBS/telnet using terminal emulators such as RIPTerm. quickly by the rise of the World Wide Web.

• 1.x