PowerBASIC (1991) 8 DOS

PowerBASIC is a continuation of Borland TurboBasic maintained by its original author, Robert S. Zale. It was originally notable as a BASIC compiler, when most BASIC environments were interpreted.

• 3.x

PTS-DOS (1995) 8 DOS

PTS-DOS is a Russian DOS clone created by the Russian company PhysTechSoft.

• 7
• 2000

QEMM (1990) 21 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.

• 8.x
• 9.x

Qualitas 386MAX (1992) 6 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.

• 8.x

Quarterdeck GameRunner (1995) 1 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

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.

• 5.6 (DOS)

QuickLink (1990) 4 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 3.2 (Win)

RAR (1999) 2 Archive DOS

A console utility to extract and create RAR files.

• 2.50

Search & Rescue (1998) 0 Utility DOS

PowerQuest Search & Rescue is an advanced file recovery tool. It operates as a set of bootable floppy disks that can scan a FAT or FAT32 hard drive, piecing together files even when partitions or file systems are damaged.

• 1.0

Sound Blaster CD-ROM Drivers (1995) 3 DOS

These are DOS drivers for the Creative Sound Blaster with CD-ROM support sound card.

• 1.x

Sound Blaster Drivers (1990) 84 DOS Windows

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 AWE32
• Sound Blaster AWE64

SpinRite (1988) 8 Utility DOS

SpinRite, by Gibson Research, is a tool that can diagnose, repair, and rejuvenate the low-level formatting and optimize the interleave of MFM and RLL (ST412/506 interface) hard disk drives. Its pattern testing ability is also useful for verifying the operation of SCSI and IDE hard drives.

• 4.x
• 5.0

System Commander (1996) 34 Utility DOS

System commander, from V Communications, Inc, was a commercial boot manager for PCs. It offered a graphical menu and the ability to hide other partitions from the selected OS. It supported a variety of OSes including DOS, Windows 9x, Windows NT/2000, Linux, OS/2, and various Unixes.

• 2.x
• 3.x
• Deluxe 4.00
• 2000 (5.x)

Terminate (1997) 1 Communications DOS

Terminate was a shareware modem terminal and host program for MS-DOS and compatible operating systems.

• 5.0

ToyBox Menu Manager / Magic Desk (1992) 1 Utility DOS

ToyBox II, later renamed to Magic Desk, is a simplified graphical menu system that lets you launch your DOS applications from a selection of tiled iconic buttons. Supports nested hierarchies, includes an icon editor, and a number of common icons.

• 3.x (Magic Desk)

Watcom C/C++ (1989) 9 DOS Windows

The Watcom C/C++ is a powerful compiler for DOS, Windows, and OS/2. Its key selling point was superior cross platform support. It supported DOS, extended DOS 32-bit, Win16, Win32, and OS/2. Notably, it was used to produce the video game DOOM as a 32-bit DOS extended program.

• 10.5
• 11.0

WordPerfect (1983) 78 Word Processor DOS

During the late 1980's, WordPerfect was THE standard word processor for DOS based PCs in big business. Under DOS, it competed mostly against Wordstar. WordPerfect for Windows enjoyed some success in the early Windows environments, but was quickly displaced by Microsoft Word for Windows. Later Windows versions were part of Borland Office/Novell PerfectOffice/Corel Office/Corel WordPerfect Office.

• 7.x (Unix)

WordPerfect Library (1998) 0 Utility Editor PIM DOS

WordPerfect Library, introduced in 1986 and later renamed WordPerfect Office (not to be confused with Corel's Windows office suite of the same name), was a package of DOS network and stand-alone utility software for use with WordPerfect. The package included a DOS menu shell and file manager, whose macros allowed text to be moved from one program to another (for example, from WordPerfect to Calendar, and vice versa), a do-all editor, apparently that of Wordperfect 3.0, which could edit binary files as well as WordPerfect or Shell macros, calendar, and a general purpose flat file database program that could be used as the data file for a merge in WordPerfect and as a contact manager.

• 2.0