QEdit (1990) 2 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) 22 Utility DOS

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

Qmodem (1992) 0 Communications DOS Windows

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)
• Pro 1.0 (Win)

QNX (1982) 28 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.

• 1989 Demo
• 2.2

QRAM (1990) 4 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

Quadtools - Quadtel 386 RAM Utilities (1989) 0 DOS

A collection of memory management tools for 386 computers. Includes expanded memory manager, RAM disk, spooler, and cache software.

• 1.x

Qualitas 386MAX (1992) 0 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

QuarkXPress (1986) 6 Publishing MacOS

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.

• 2.x

Quattro Pro (1987) 3 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.

• Pro 1.x
• 2.x
• 3.x
• SE 1.0
• 1.0 (Win)
• 4.x (DOS)
• 5.x

QuickBasic (1985) 71 MacOS

Microsoft QuickBasic, not to be confused with the lesser QBasic, was a Basic interpreter and compiler product loosely based on GW-Basic. Version 2.0 for DOS and later included an Integrated Development Environment. Microsoft also produced QuickPascal and QuickC with similar integrated environments.

• 1.0x for Mac

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)

QuickC (1987) 17 Windows

Microsoft QuickC is a C compiler with an Integrated Development Environment, designed to compete with Borland Turbo C. It was targeted at home/hobbyist users with a much lower price tag than Microsoft's corporate-oriented professional products. Microsoft also produced QuickPascal and QuickBasic with similar integrated environments.

• 1.0 for Windows

Quicken (1989) 1 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.

• 2.x for DeskMate
• 3.x (DOS)
• 4.x (DOS)
• 1.0 (Win)
• 5.x (DOS)
• 6.0 (DOS)
• 7.x (DOS)
• Companion
• 3.x (Win)

QuickLink (1990) 0 Communications DOS

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

QuickMenu (1991) 0 Utility DOS

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

• 1.x

QuickPascal (1989) 4 DOS

Microsoft QuickPascal was a short-lived dialect of Pascal created specifically to compete with Borland Turbo Pascal. It incorporated many Borland-specific features at the expense of backwards compatiblity with the earlier Microsoft Pascal product.

• 1.x

Quickpro Plus (1989) 2 DOS

Quickpro Plus is a programming utility that automatically creates simple custom database applications as standalone BASIC program source files. The Quickpro Plus user can then take the resulting BASIC program and customize it further. It features reporting functionality, database calculations, and the ability to target multiple BASIC variants. There were versions for CP/M, DOS, TRS-80, Atari, and OASIS.

• III

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

ReadRight (1989) 0 Document DOS

ReadRight 2.0 is a software OCR application for IBM PC computers. It has built in support for a number of scanners, and can OCR from existing graphics files. It recognizes a number of different fonts, font sizes, supports text columns, and can output to a number of different formats. time, other OCR tools used specialized hardware accelerator cards to achieve acceptable performance.

• 2.0

Ready Set GO (1986) 0 Publishing MacOS

Ready Set GO, from Manhattan Graphics Corporation, is a desktop publishing program for the Apple Macintosh. It competed against Mac Publisher, Scoop, Quark Xpress, and PageMaker.

• 6.0

Reflection (1992) 0 Communications DOS

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.

• 4.x (DOS)

RightGrammar (1991) 0 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) 0 Utility DOS MacOS Windows

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.

• 3.2 for DeskMate
• 3.x (Mac)
• 4.0
• 5.0 for Windows

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

RISC OS (1990) 4 Other

RISC OS is an operating system designed to run on the ARM chipset.

• 3