NeXTStep (1987) 29 Unix

NeXTSTEP, from NeXT Computers headed by Steve Jobs, is a Unix based operating system designed to run on m68K NeXT workstations. It later became the basis for OS X, with APIs and concepts preserved today.

• 4.x

Norton Commander (1986) 72 Utility DOS

Norton Commander is a MS-DOS based file shell that was widely popular due to it's two column design. You could easily copy and move files between one folder or another, execute DOS commands and more. It competed against many other file managers including Gazelle Q-DOS and Xtree

• 5.5x

Ontrack Disk Manager (1987) 6 DOS

Ontrack Disk Manager is a BIOS overlay and partitioning tool that helps you overcome various BIOS hard drive size limits. It was commonly bundled with hard drives.

• 9.x

OS/2 Developer Connection (1995) 1 OS2

IBM's semi-often correspondence for OS/2 development.

• Vol. 12

OS/2 Warp 4 (1996) 138 OS2

OS/2 Warp 4 incorporated a number of new technologies over OS/2 Warp 3, such as Java, OpenGL, OpenDoc, and VoiceType. It also updated the appearance of the Workplace Shell. | 1.x | 2.x | 3.x | 4.x | All |

• OS/2 Warp 4.0
• OS/2 Warp 4.52

OS2 Device Driver Pak (1996) 0 OS2

OS2 Device Driver Pak CD Volume 1.0 is a CD released by IBM to make installation of OS/2 Warp 4 easier.

• 1.0

PartitionMagic (1995) 10 Utility DOS

A tool from PowerQuest, and later Symantec, that enables manipulation of partitions through its own bootable media. PartitionMagic can shrink, grow, or move partitions without the need to backup and restore files in that partition. It supported a variety of file systems, and the core DOS-based parition tool fit on a bootable 1.44mb floppy disk. It was extremely popular, and made installing or removing multiple OSes much easier.

• 3.x
• 4.x

PC-DOS (1981) 105 DOS

IBM PC-DOS was an IBM branded version of MS-DOS licensed from Microsoft for use on the IBM PC system. Versions of PC-DOS paralleled that of MS-DOS up until version 6.1, where PC-DOS was independently maintained by IBM up until 7.1, the last version. Although not the only OS available for the IBM PC when it came out, it quickly became popular due to its low cost in comparison to the others. Its direct competitors on the PC at the time were CP/M-86 and UCSD p-System. The major differences between PC-DOS and MS-DOS were only in terms of driver support and built in programs until version 6.1 where development diverged.

• 2000

pcANYWHERE (1990) 3 Communications DOS Windows

pcAnywhere is a tool that enables one to remotely control another computer, or to be remotely controlled.

• 8.0 (Win)

PowerBASIC (1991) 5 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) 3 DOS

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

• 2000

QEMM (1990) 15 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

QNX (1982) 9 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.

• 4.2
• 1.44mb Demo

Qualitas 386MAX (1992) 3 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

Quattro Pro (1987) 9 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) 1 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) 9 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 Drivers (1990) 36 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 AWE64

SpinRite (1988) 3 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

Stardock Object Desktop (1996) 0 Utility OS2

Object Desktop is a set of utilities for OS/2 power users. It provides a number of visual enhancements, define hotkeys, an improved editor, desktop configuration backup, archive management, system help advisors, and system backup.

• 1.5.x

StarOffice (1995) 3 Word Processor Windows OS2 Unix Linux

StarOffice, initially from Star Division GmbH is an office suite containing a word processor, spreadsheet, drawing program, and graphing program. It was later owned by Sun Microsystems and then Oracle, and spawned the open source OpenOffice and LibreOffice. Also see the earlier StarWriter

• 3.1
• 6.0

Sun Java Workshop (1997) 0 Windows Unix

Sun's Java WorkShop is a powerful, visual development tool for professional Java programmers. Java WorkShop offers a complete, easy-to-use (for bizarre masochistic definitions of easy) toolset for building JavaBeans, Java applets and applications faster and easier than ever before.

• 2.0

Sun Solaris (1989) 22 Unix

Solaris is a Unix based operating system created by Sun Microsystems (now purchased by Oracle in 2010). It is the successor to SunOS and was released initially in June of 1992. The OS is based off of System V Unix and its first release was known internally as SunOS 5. This OS was typically used on SPARC based processors, up until 1994 when it began to support x86 and x86-64 based machines. Versions of Solaris up until version 8 are considered abandoned, with version 9's support ending in October 2014.

• 7.x
• 8

Sybase Adaptive Server Enterprise (1998) 0 Unix

Sybase Adaptive Server Enterprise 11.9.2 for Solaris Released in 1998 by Sybase For Solaris Server, is a powerful relational database primarily used on Unix systems. OS/2.

• 11.x