Statpro is a comprehensive statistics system for Apple II, and later IBM PC, computers. It is written using the UCSD P-System.

StatWorks, from Cricket Software, is a very powerful statistics software package for the Macintosh designed for a wide variety of applications. It enables all who work with numbers to do statistical computations without spending hours learning "high level" languages or going through several stages to compile analysis.

StepWay Art Shop is a very low-end budget graphics editor for DOS. It appears to have been targeted at new computer users and educational markets. The StepWay software is considered "modular", with additional functionality added in separate modules, sold separately. The separate modules they sold included Desktop Publisher, Art Shop, To Do List, Checkbook, Banner, Cookbook, Home Inventory, Greeting Cards, Mail List, and Calendar.

StepWay Desktop Publisher is a very low-end budget graphics editor and desktop publisher for DOS. It appears to have been targeted at new computer users and educational markets. The StepWay software is considered "modular", with additional functionality added in separate modules, sold separately. The separate modules they sold included Desktop Publisher, Art Shop, To Do List, Checkbook, Banner, Cookbook, Home Inventory, Greeting Cards, Mail List, and Calendar.

StretchCalc is a software package from MultiSoft that enhances the functionality of VisiCalc. It adds integrated graphing, sorting, column rearranging, and key macros.

Stuffit Expander, from Aladdin Systems, is a freely redistributable tool for extracting Stuffit "SIT" archives on Apple Macintosh computers. Most Macintosh file archives are in this format. Unlike ZIP, Stuffit preserves special resource fork and creator type information required by Macintosh file systems. For the Microsoft Windows version, please see Aladdin Expander.

Success With Math was a popular series of educational programs designed to drill and practice math problems. There were versions for the Apple II, C64, and Atari.

PC-Kwik is an easy to use hard drive disk caching utility. Compared to some other caching utilities, it is easy to use, it automatically configures itself, and is less likely to cause data corruption.

Superbase is an easy to use database program that featured "VCR" like controls for moving between fields. It originated on the Commodore 64, and had ports to Apple II, Amiga, Atari, GEM, and Windows. It was created by Precision Software, sold to SPC, then branched off to Superbase Inc. flavors. A lower cost version that lacked the ability to create or run applications, called "Superbase 2 Windows", and the full blown product called "Superbase 4 Windows". for Microsoft Windows. The first Windows versions ran under Windows 2. detailed history can be found on Wikipedia: https://en.wikipedia.org/wiki/Superbase_%28database%29

SuperCalc was a spreadsheet application published by Sorcim in 1980, and originally bundled (along with WordStar) as part of the CP/M software package included with the Osborne 1 portable computer. It quickly became the de facto standard spreadsheet for CP/M and was ported to MS-DOS in 1982. It competed against spreadsheets such as VisiCalc, Multiplan. and Lotus 1-2-3.

Borland SuperKey is a combination resident macro program and file encryption tool. It can record and play back keystrokes in most DOS application, enabling you to automate repetitive tasks. It also includes a file encryption tool that lets you password protect sensitive files. It was marketed alongside Borland Sidekick.

Zenographics SuperPrint is a printing utility for Windows 3.x that applies advanced image processing techniques to printers that otherwise would not support them.

Micropro SuperSort is a generalized and flexible sort and merge utility designed to operate at high speed on huge volumes of text-file based data. It can also be used for manipulating individual data files, doing things like reorganizing fields or changing field lengths.

SuperStor is a drive compression program similar to Stacker, DoubleDisk or Microsoft DriveSpace. can not compress.

SuperVoice is a voice messaging program for use with voice capable modems under Windows. SuperVoice features the ability to operate as a single mailbox, a multi-mailbox, or a message center - all in one program. with Voice, and QuickLink MessageCenter.

Apian Software's Survey Pro is a tool for creating and managing easy to use printed surveys. It features user customizable forms and templates, and was targeted at internal corporate surveys.

Cosmi SWIFT Data Base is a low-end budget DOS database. It is a general purpose database program, useful for keeping track of any type of structured information. Data may be added, changed, removed, found, displayed, analyzed, and printed easily using SWIFT'S friendly Pull-Down Menu System.

SWIFT Label Publisher, from COSMI, is a budget label creation program that features a set of clipart and fonts, pre-defined Avery label sizes, and can print multiple labels from a mailing list or database.

Swift Paint, from COSMI, is a very, very low end budget drawing program for both the IBM PC and C64.

The Swift & Easy Spread sheet is a very low end, very low cost spreadsheet targeted at budget conscious users. It features ease of use, general purpose functions, split screen, automatic calculations, and programmable macros. It was written by David Middleton of Metamorphosis developments LTD and published by COSMI/Celery Software

Switcher is an add on utility program written by Andy Hertzfield and released by Apple that adds the ability to load multiple programs and quickly switch between them - something that MacOS lacked at this point.

SY-TOS is a powerful backup program for DOS, and other operating systems. It was commonly customized for and bundled with OEM backup hardware. SY-TOS Plus was the first retail standalone version.

SynFile, from Synaps Software, is a database program for the Atari 400/800 computer.

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.

T/Maker, first released in 1980 for 8-bit CP/M, was one of the first "integrated" software programs. It brings together File Management, Word Processing, Spell Checking, Spreadsheet, Database Management, List Processing, Data Transfer, Graphics (Bar Charts), and Programming. These components can work together, for example a document can contain functional spreadsheet fields.