QBasic (1991) 3 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) 0 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

QEMM (1990) 34 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

QRAM (1990) 13 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

Quattro Pro (1987) 2 Spreadsheet DOS

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

QuickBasic (1985) 22 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

QuickC (1987) 8 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.

• 4.x (DOS)
• 1.0 (Win)
• 5.x (DOS)

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

QuickMenu (1991) 4 Utility DOS

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

• 1.x

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

RightGrammar (1991) 1 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) 7 Utility MacOS 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.

• 3.x (Mac)
• 4.0

RISC OS (1990) 1 Other

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

• 3

Schedule+ (1990) 0 PIM Windows MacOS

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

• 1.x

Sensei Calculus (1990) 0 Education Windows

Sensei Calculus is an educational program for teaching calculus. It presents information and sample problems as a series of cards. You move through the cards and select answers as questions appear.

• 1.0

Sidekick (1984) 9 Utility PIM DOS

Borland Sidekick is a DOS based PIM (Personal Information Manager) and one of the first widely-used TSR (terminate and stay resident) programs. The key feature of Sidekick was that one could use Sidekick's utilities while using most other MS-DOS applications. This was important because MS-DOS had no built-in multi-tasking or task switching capabilities.

• 2.0

Sideways (1985) 0 Spreadsheet Utility DOS

Sideways is a printing utility that enables you to print a spreadsheet sideways (landscape) when using a graphics printer. While that might seem like a common basic function these days, this is something that early spreadsheets lacked. Using continuous form (tractor feed) paper, a Sideways printout may seamlessly span multiple pages without having to tape or glue pages together. Sideways was sometimes bundled with spreadsheet products. "Sideways leaves no text un-turned".

• 3.3

SimEarth (1990) 2 DOS Windows

SimEarth, is a simulation game that lets you explore and experiment with the development of planets, the evolution of life, and the rise of civilization. You can adjust a planet's geological properties, atmospheric properties, life endurance properties, and civilization properties as it develops, or you can experiment with an existing planet such as Mars, Venus, or Earth. You can unleash disasters on a planet such as meteors, earthquakes, fires, or even nukes, to either hurt or help a planet along.

• 1.x

SitBack (1991) 0 Utility DOS

SitBack is a unique backup tool that backs up files in the background while users are using their systems. This is based on the reality that most users do not want to take the time or effort to manually back up their work. SitBack can backup up to local drives or network shares, and can back up from many kinds of media.

• 3.x

Smart Label Printer Plus (1991) 0 DOS

This is this software required to operate a Seiko Instruments Smart Label Printer. This software will not install without a Smart Label Printer attached. at any time from within other DOS applications.

• 2.x

Smartcom (1989) 0 Communications DOS

Hayes Smartcom is an easy to use communications program geared toward beginners. Hayes was a well known and popular maker of hardware modem products, and sold Smartcom alongside their hardware as a complementary product.

• EZ

Sound Blaster Developer Kit (1991) 2 DOS

Sound Blaster Developer Kit is a set of libraries used to develop programs that support the Creative Labs Sound Blaster sound card. 6.0, Turbo C version 2.0, Microsoft QuickBasic version 4.5, Microsoft Basic PDS version 7.0, and Turbo Pascal version 6.0.

• 2.00

Sound Blaster Drivers (1990) 55 DOS

The Sound Blaster is a series of sound cards from Create Labs. For a time, the Sound Blaster was considered a de-facto standard for DOS based gaming. Initially it competed against the uncommon IBM Music Feature card, and the Adlib cards. The original sound blaster provided 8-bit mono digital sound in addition to Adlib-compatible FM music synthesis and stereo CMS Game Blaster compatible square-wave music. Most DOS games work best with the earlier ISA cards. Later PCI cards use completely different hardware and only provide Sound Blaster compatiblity through software emulation.

• Sound Blaster 1.0
• Sound Blaster 1.5

Spanish Assistant (1991) 0 Education DOS

Spanish Assistant includes powerful memory-resident reference tools and a handy interactive translator to help you write, study, and translate to Spanish. You can pop-up translations for English or Spanish Words, conjugate verbs, easily add accented characters, translate text from English to Spanish, and more.

• 4.x