Sound Blaster Developer Kit is a set of libraries used to develop programs that support the Creative Labs Sound Blaster sound card. 6.0, Turbo C version 2.0, Microsoft QuickBasic version 4.5, Microsoft Basic PDS version 7.0, and Turbo Pascal version 6.0.

T-Debug Plus is a symbolic run-time debugger for use with Turbo Pascal. T-Debug Plus pre-dates Borland's own debuggers. It supports viewing source code, single stepping, and viewing and changing variables. Turbopower also produced other software tools such as Turbo Analyst and Turbopower Utilities for Turbo Pascal 3.0.

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.

TVC, from Software Masters Inc., is an educational tool for teaching assembly language.

Advanced Trace86 is a full screen debugger tool that lets users visually trace through execution of 8086 machine code.

True BASIC, from True BASIC, Inc, is a powerful BASIC compiler for DOS.

Turbo Basic Toobox is a commercial set of sample editor-related source code for use with Borland Turbo Basic.

The Borland Turbo Pascal Toolbox consists of several sets of sample source code for different purposes. They are designed for use in conjunction with the Turbo Pascal Compiler product. The sets include Turbo Graphix Toobox, Turbo Database Toolbox, Turbo GameWorks Tooolbox (new in 1986 with TP 3), and Turbo Editor Toolbox (new in 1986 with TP 3). Also see the Turbo Pascal Tutor.

The Turbo Pascal Tutor is a set of sample programs and exercises that help you learn Borland Turbo Pascal. This is for use with Turbo Pascal. Also see the Borland Turbo Pascal Toolbox products.

B-Tree Filer, from Turbo Power, is a set of source code tools for Turbo Pascal Programmers. Enables easily writing multi-user databases in Turbo Pascal, upgradeable from Borland's Database Toolbox, includes Full B-tree, fixed and variable length records, failsafe mode with journaling, and is compatible with Novell, 3Com, and MS-Net networks.

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.

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.

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.

Borland Turbo Prolog is an implementation of the Prolog language, a "natural" language used for "Artificial Intelligence" software development. Turbo Prolog is a Borland licensed version of PDC Prolog. It competed against Arity Prolog. Borland also produced a companion Turbo Pascal Toolbox product.

The Turbo Prolog Toolbox is a set of tools and samples that you can use to help you build production application with Borland Turbo Prolog.

Vitamin C, from Creative Programming Consultants, Inc., is a graphics and windowing library for DOS and DOS based C compilers.

The Watcom C/C++ is a powerful compiler for DOS, Windows, and OS/2. Its key selling point was superior cross platform support. It supported DOS, extended DOS 32-bit, Win16, Win32, and OS/2. Notably, it was used to produce the video game DOOM as a 32-bit DOS extended program.

Watcom Pascal is a Pascal interpreter produced by Watcom. The original Watcom Pascal products were called the Waterloo Pascal compiler and the Waterloo microPascal interpreter. For a time, it competed with Borland Turbo Pascal.

The Microsoft Windows Software Development Kits (SDK) provide sample program code, extra libraries, and documentation to aid application developers producing Windows applications. Microsoft Windows Driver Development Kits are similar sets of samples and libraries but specific to device driver development, and much more in-depth.

The WordTech dBIII Compiler, later renamed to "Quicksilver", is a dBase III Plus application compiler that produces high-speed ready to run standalone executables. It boasts assembler level speeds often faster than competing compilers. Plus clone. Both of these add a number of features such as Windowing, user defined functions, EMS memory support, graphing, and networking capability.

ZBasic, from Zedcor, Inc., is a cross platform Basic compiler. Versions exist for MS-DOS, Apple II, Macintosh, CP/M and TRS-80.

The Zenith Programmer's Utility Pack for MS-DOS contains source code and compiler utilities needed for building an MS-DOS BIOS (IO.SYS file) for use with the Zenith Z-100 (not IBM hardware compatible), the Zenith Z-100 PC (IBM hardware compatible), and the Zenith Z-100 PC running in Z-100 compatibility mode.

The Zortech C++ Compiler was a high performance compiler for MS-DOS, OS/2, and Windows that implemented the AT&T C++ 2.0 specifications. It competed strongly against Microsoft C and Watcom C. It later became the Symantec C++ compiler. It was also the first commercial compiler that natively supported Microsoft Windows.