Switcher (1985) 0 Utility MacOS

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.

• 4.x

SY-TOS (1986) 2 Utility DOS OS2

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.

• 1.x (DOS)
• 3.x (DOS)
• 1.x (OS/2)

System Commander (1996) 1 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)

Tandem 6530 Terminal Emulator (1987) 0 Communications DOS

This is a terminal program that emulates a Tandem mainframe terminal.

• 1.x

Telix (1994) 3 Communications Windows

Telix is a powerful telecommunications program with versions for both DOS and Windows 3.x. The original DOS version was shareware, and the later Windows version was commercial.

• 1.00 for Windows

Telpac (1984) 0 Communications DOS

Telpac is a rudimentary telecommunications terminal emulation program intended for use with U.S. Robotics modems. It appears to be designed for compatibility with both IBM PC and Zenith Z-100 systems.

• 2.x

Telxon TPRO Program Generator (1986) 2 DOS

The Telxon TPRO Program Generator is a software package which allows you to use your IBM (or compatible) personal computer to quickly generate custom-designed data entry programs and load those programs into your Telxon PTC mobile data collection device.

• 2.7

Terminate (1997) 2 Communications DOS

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

• 5.0

The $25 Network (1989) 2 Communications DOS

The $25 Network, from Information Modes, is a low cost networking solution that connects PCs together using a serial port.

• 2.x

The All-Star Utilities Pac (1992) 1 Utility Other Windows

The All-Star Utilities Pac is a set of small windows-based productivity utilities. It was a freebie given away by PC Magazine.

• 1.0

The Complete Idiots Guide to the Internet (1994) 1 Communications Windows

This is a companion disk for the book "The Complete Idiot's Guide to the Internet". It contains the SuperHighway Access Sampler for Windows, which includes a TCP/IP network dialer, an FTP client, and a newsgroup reader.

• 1994

The Program Director (1989) 1 Utility DOS

The Program Director is a tiny little customizable menuing program. It was sold commercially as budget software.

• 1989

THINK Pascal (1991) 0 MacOS

THINK Pascal is an integrated object oriented Pascal programming environment and compiler designed to decrease development time. It features highly optimized compiled code and an integrated debugger.

• 4.0

Thunderbird (2005) 3 Communications Windows Linux Mac OS X

Thunderbird is an e-mail client based on the integrated Netscape/Mozilla e-mail client. With the release Firefox, it was spun off in to a separate standalone product. It includes the same HTML rendering engine used in Firefox to render HTML formatted messages.

• 1.x
• 2.x

Toast (1995) 5 Utility MacOS

Toast was a popular CD mastering and burning application for classic Apple Macintosh. It was created by Astarte, who sold it to Adaptec, and later Roxio. Adaptec sold a different program for IBM PC compatibles named CD Creator

• 2.x
• 3.x
• 4.x

Toolworks Backup Pro (1990) 0 Utility DOS

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.

• 1.x

TopView (1985) 5 Utility DOS

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.

• 1.x

ToyBox Menu Manager / Magic Desk (1992) 3 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.

• 2.x
• 3.x (Magic Desk)

Tree86 (1990) 3 Utility DOS

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

• 3.x

Trend Micro Chip Away (1993) 0 Utility 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.

• 2.x

TTY Communications (1983) 1 Communications DOS

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

• 1.x

Turbo Lightning (1986) 1 Utility DOS

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

• 1.x

Turbo Power Object Professional (1989) 3 DOS

Object Professional, from Turbo Power, is a library of window object types for Turbo Pascal Programmers, supporting overlapping resizable windows, menus, pick lists, data entry controls, and text editing.

• 1.x

Turbo Power Turbo Analyst (1989) 0 DOS

Turbo Analyst, from Turbo Power, is a set of utilities, source code, and documentation for Turbo Pascal software developers. It includes tools to automate common programming tasks, such as a Pascal formatter, cross reference, execution timer, execution profiler, program indexer, and program listener.

• 5.x

Turbo Power Turbo Professional (1989) 0 DOS

Turbo Professional is a library of utilities, source, and documentation for turbo Pascal programmers. Includes TSR management, BCD arithmetic, windowing, menuing, EMS and XMS access routines, large arrays, macros, runtime error recovery.

• 5.x