PDC Prolog DOS

PDC Prolog, by Prolog Development Center, is an enhanced implementation of the Prolog language (a language associated with artificial intelligence development). Some early versions were marketed and published by Borland under the name "Turbo Prolog".

Platform Builder Windows

The SDK for creating Windows CE and Windows Mobile applications.


PowerBASIC is a continuation of Borland TurboBasic maintained by its original author, Robert S. Zale. It was originally notable as a BASIC compiler, when most BASIC environments were interpreted.

PowerBuilder Windows

PowerBuilder, by Powersoft and later Sybase, is a development environment for building business application that uses the object-oriented "Powerscript" programming language.

PowerC DOS

Power C, from Mix Software, was a low cost DOS-based C compiler targeted at the educational market. Earlier versions were known as Mix C

QBasic DOS

Microsoft QBasic, not to be confused with QuickBasic, is a stripped down version of the Microsoft QuickBasic product that replaces GW-Basic in MS-DOS 5.0 and later. QBasic is an interpreter only, and can not compile standalone executables. QuickBasic sources can be compiled into binary EXE files with QuickBasic or Visual Basic for DOS.

QuickBasic DOS MacOS

Microsoft QuickBasic, not to be confused with the lesser QBasic, was a Basic interpreter and compiler product loosely based on GW-Basic. Version 2.0 for DOS and later included an Integrated Development Environment. Microsoft also produced QuickPascal and QuickC with similar integrated environments. Professional Development System](/product/microsoft-basic), and competed against language products targeted at hobbyists, such as those from Borland.

QuickC DOS Windows

Microsoft QuickC is a C compiler with an Integrated Development Environment, designed to compete with Borland Turbo C. It was targeted at home/hobbyist users with a much lower price tag than Microsoft's corporate-oriented professional products. Microsoft also produced QuickPascal and QuickBasic with similar integrated environments.

QuickPascal DOS

Microsoft QuickPascal was a short-lived dialect of Pascal created specifically to compete with Borland Turbo Pascal. It incorporated many Borland-specific features at the expense of backwards compatiblity with the earlier Microsoft Pascal product.

Quicksilver DOS

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.

Repertoire for Logitech Modula-2 DOS

Provides additional libraries for Logitech Modula-2.

RM/Cobol DOS

RM/Cobol, from Ryan-McFarland Corp, is a powerful cross platform Cobol compiler that creates fast and efficient compiled code.

RoboHelp Windows

RoboHelp is a set of utilities to aid in the authoring of Windows Help files. It is designed for use in conjunction with Microsoft Word.

Services for Unix Windows

Services for Unix (SFU) is a Unix compatible API layer that runs on top of NT. This enables recompilation of Unix programs on Windows with minimal changes. It does not provide binary compatiblity.

Sheridan Data Widgets Windows

Sheridan Data Widgets are a set of interface and database widgets used to develop Visual Basic 3 programs under Windows 3.1.

Sound Blaster Developer Kit DOS

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.

Sun Java Workshop Windows Unix

Sun's Java WorkShop is a powerful, visual development tool for professional Java programmers. Java WorkShop offers a complete, easy-to-use (for bizarre masochistic definitions of easy) toolset for building JavaBeans, Java applets and applications faster and easier than ever before.

Sybase Adaptive Server Enterprise Unix

Sybase Adaptive Server Enterprise 11.9.2 for Solaris Released in 1998 by Sybase For Solaris Server, is a powerful relational database primarily used on Unix systems. OS/2.

Symantec C++ Windows

Symantec C++ is a powerful C++ language compiler for Windows. It features a class browser that does not require compilation, and the ability to distribute building across a network.


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 Visible Computer 8088 DOS

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


THINK C, originally from THINK Technologies and later Symantec, was a C compiler for the Apple Macintosh. Initially released in 1986 under the name "Lightspeed C", it featured libraries and extensions useful to creating native Macintosh applications. It competed with Macintosh Programmers Workshop.

TI Logo Other

TI-Logo is an implementation of the Logo educational programming language that makes extensive use of graphics manipulation.

ToolBook Windows

Asymetrix Toolbook is an easy to use rapid application development environment for interactive applications. It is similar to HyperCard, but uses a book metaphor. ToolBook was targeted at novice programmers as well as experienced programmers that needed to create programs quickly. With ToolBook, programs are created visually, with a minimum of coding. Coding is done with OpenScript, a high-level object oriented language. It competed against other high level language environments such as Microsoft Visual Basic.


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