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".

Sign-Master, from Decision Resources and later Ashton-Tate, is a companion product to Chart-Master and Diagram-Master. It shares the same ability to produce presentation quality graphics on high resolution printers or plotters, but geared more towards textual presentation slides. This program was also bundled in the Master Graphics Presentation Pack.

Simply Accounting is a complete general accounting package targeted as small businesses. Includes General Ledger, Purchases and Payments, Sales and Receipts, Payroll, Inventory Control, and Project Costing functionality.

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.

Slidewrite Plus is an easy to use general purpose business graphing and slide making program. It supports the usual bar, line, scatter, ,area, mixed hi-low, and pie charts. It competed against graphing programs like Harvard Graphics and Freelance.

Smart Shop, from Smart Shop Software, Inc. is a shop management database system for 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.

SmarTerm, from Persoft, is a series of terminal emulators that provide access to mainframe systems and time-sharing services. It emulates various models of "dumb" terminals and includes binary file transfer capability. It claims to feature more accurate emulation over competing products.

SmartSketch 1.0 is an easy to use vector based drawing targeted at business users. Although there were many other such drawing programs, it boasted simplicity and a large variety of clipart. It was originally intended for GO Corporation's PinPoint pen computing device, but when that was discontinued, SmartSketch was ported to Windows and Macintosh instead.

SmartWare, also called "Smart Software System" originally from Innovative Software and later purchased by Informix, is an integrated office suite that was primarily successful in the European market. It includes a communication module, word processor, database, spreadsheet, and spreadsheet graphing.

Screen capture utility for Windows 3.1.

Softerm is a powerful and flexible communications manager and terminal emulation program that operates on a variety of personal computers. It provides basic terminal communications to a variety of host computer, timesharing services, and information services such as The Source, CompuServe, and Dow Jones News/Retrieval. Softerm also functions as an exact look-alike for many popular CRT terminals which enables applications written for a specific CRT terminal to operate with your personal computer system transparently and without programming changes.

Softkey / Spinnaker Easy Working Address Book Maker is a personal information manager that stores and retrieves names, addresses, and phone numbers. with the ability to print them out in the format used by many popular paper organizers.

SoftKey Key Master Maps is a road map of the entire USA on a CD.

Softkey/WordStar's PC Paintbrush is a paint program and photo editor for Windows 3.x. It only somewhat resembles Zsoft PC Paintbrush but is basically re-branded Zsoft PhotoFinish, released after Zsoft was bought out. It was initially sold by WordStar International, and then later SoftKey.

Disk Optimizer, from SoftLogic Solutions Inc., was a low cost disk defragmentation utility that competed directly against the Norton Utilities. Like other disk optimizers, it re-arranges where files are stored on a hard drive to decrease file access time. It was, however, not as full featured or robust as the Norton Utilities.

SoftRAM and SoftRAM 95 were products that famously claimed to effectively double avaialble memory to programs without adding hardware. It was later proven that these products were a scam, and did absolutely nothing. It competed against similar tools such as Hurricane, MagnaRam, and RAM Doubler

Software Bridge is a set of executable word processor file converters. It can convert between a large number of word processors while preserving formatting.

World Atlas is a computerized world map with thousands of facts and statistics for over 200 counties. Includes detailed city data, country flags, and anthems.

Insignia Solution SoftPC, or "SoftWindows" when bundled with Windows, is an x86 emulator UNIX and MacOS that enables them to run DOS and Windows. SoftWindows is unique in that it uses native CPU recompiled Windows binaries providing near native speed for some application. It was also ported to platforms such as SGI Irix, Sun Solaris, HP-UX, IBM AIX, NeXT, Motorola 88000, DEC VAX/VMS, DEC ULTRIX, and was the emulator used by Microsoft to run DOS and Windows 3.1 application on the DEC Alpha CPU Windows NT.

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.

Spellbinder, from Lexisoft and later Ltec Inc, is a word processing program originally created for CP/M and OASIS operating systems and eventually competed with WordStar. It was designed as a work-alike of the NBI Word Processing system and featured spell checking, grammar checking, footnotes, two-column print, proportional printing, and macro programming language. It was bundled with machines from Eagle Computers, Hewlett-Packard, and Xerox.

Spellin! is a spell checker that works from within Lotus 1-2-3 to find and correct spelling errors in spreadhseet text fields. Includes a database of 90,000 words and support custom dictionaries. Note: Lotus 1-2-3 3.x Requires Release Spellin release 3

Splash is a VGA-centric paint program created by Spinnaker Software in 1988. Considering that VGA was only introduced in 1987 in conjunction with the IBM PS2 line, this is a pretty early entry in the VGA-compatible paint program market. pixel-level editing, an extensive internal help system, and can export images to TIFF and PC Paintbrush compatible files.

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.