Backup Pro, from The Software Toolworks, is an easy to use backup program for MS-DOS. It features drop down menus and mouse support. It was sometimes bundled with OEM computers, and was sold for very low cost compared to others.

Toolworks Desk Reference is an electronic version of the New York Public Library Desk Reference. This reference contains a huge collection of various facts about ideas, advice, details and discoveries. It includes twenty-six subject areas and thousands of entries.

Toolworks DOS Tutor is an extensive DOS tutorial with detailed descriptions about the operation of common IBM PC compatibles, peripheral hardware, and the operation of DOS.

Top Priority is a Personal Information Management tool that keeps track of your appointments and tasks, set priorities, alerts you of periodic events, chart progress, and creates schedules. It offers an optional resident version that can run in the background while other DOS programs are in use. Can export data to Calendar Creator Plus.

Released by IBM in 1984, TopView was a text-mode windowed multitasker for the IBM PC, XT, and AT computer. It featured preemptive multitasking, text-based windowed task sessions, overlapping windows, and supports the use of a mouse. In part, it was one of the reasons why overlapping windows were added to Microsoft Windows 2.0. TopView was later overtaken by DesqView, OS/2, and Windows. For more information, see the Topview 1.00 Software Spotlight.

Touch Typist, from Newline software, is a small typing training program that is specific to Zenith-Z100 computers.

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.

Timeworks Translate-It is a program that automatically converts documents between different languages. It is all done locally on your computer, so you don't have to worry about Google stealing information from your documents.

Tree86, from The Aldridge Company, is an easy to use tree-based file manager for DOS.

Released in the early 90s by the Japanese company Trend Micro Devices, Inc (later just Trend Micro), Chip Away Viruses is a DOS based virus scanner that is intended to run from a hardware product built in to a PC motherboard before the system boots. It includes a custom embeddable DOS (called X-DOS), but it can be run from regular DOS. Trend Micro also produced the products PC Rx (A regular software virus scanner), and PC-cillin (a hardware/software combo that keeps critical boot information in a special device). Users sometimes misinterpreted the name "ChipAway Virus" as being a virus itself.

TTY Communications is a rudimentary dial up/terminal emulation telecommunications package sold with the Texas Instruments Personal Computer.

Borland's Turbo Lightning is a DOS based TSR spell checker. It can also look up Synonyms.

Turbo Tax, from ChipSoft, was a program that assists people in filing their tax returns.

TurboCAD is a low-cost 2D/3D Computer Aided Design program that competed with AutoCAD and Generic CADD. It was first available for DOS, and later Mac, Windows 3.x, and Windows 9x/NT.

Type Faces is a program that can print word processing documents using a number of fancy fonts. The fonts are rendered graphically so you are not dependent on the fonts included with your printer. At the smaller sizes, the fonts are letter quality. Type Faces supports formatting codes that you can insert in to your documents, such as right justify, centering, and underline.

Type Reader, from ExperVision, is an optical character recognition program that features the ability to correctly format complex documents, and the ability to export to a large number of different programs. TypeReader competed with OmniPage.

U.S. Atlas is a computerized world map with thousands of facts and statistics for US counties. Software Toolworks also produced a World Atlas, and a multimedia CD-ROM atlas.

iPhoto is a Microsoft Windows based image editor bundled with scanners. It features the ability to adjust scanned photographs in many ways, convert to different color depths, and export to a number of different file formats.

MediaStudio is a suite of multimedia editing tools. It includes a video editor, video capture tool, image editor, sound editor, and morphing tool. Also supports video conversion, batch mode operation, and overlays.

Ultimate Deck and Landscape, from Punch! Software, is a simplified 3D CAD program that enables one to easily design custom deck layouts and landscape layouts. It provides a 3D-rendered view with the ability to "walk around" so you can easily view it from all angles. It can also keep track of general costs for all of the elements used in your design.

Ultracalc, from Lattice Inc, is an electronic spreadsheet program that was available for CP/M, DOS, and Unix. It includes an algebraic expression analyzer that supports 11 operators and 22 functions. The system employs a menu-driven format and includes an extensive set of prompts, on-line help and error messages. Ultracalc is written in C and was considered highly portable.

UltraCoach for Windows is a software program developed to aid in fitness and athletic training. It is a training system that allows athletes to simultaneously track up to six different sports. It provides powerful graphing and reporting capabilities and suggests workouts using the athlete's goals, performance, and physiological data. UltraCoach is ideal for cross trainers, triathletes, duathletes, and single sport athletes.

UniForm is a utility that provides seamless file access to a wide variety of system-specific CP/M and DOS disk formats, enabling easy transfer of files between otherwise incompatible system.

Unify is a relational database for Unix based systems. There was also a DOS version.

V-Print, from CompuView, is a printing product designed to accompany VEDIT.