By Edward K. Conklin, Elizabeth D. Rather; FORTH, Inc., 1998, ISBN 0966215605. For experienced programmers new to Forth, and a fine detailed, technical ANS Forth reference for experienced Forth programmers. [FORTH, Inc.]

By Elizabeth D. Rather, et al.; FORTH, Inc., 2000, ISBN 0966215613. Introductory spiral bound workbook, simple but detailed tutorial on modern Forth, long used as training manual at Forth, Inc. [FORTH, Inc.]

Premier vendor of Forth tools and programming services since 1973. Home of SwiftForth Windows development system, SwiftX cross-compilers for embedded systems, Forth books, expert programming services, and Forth programming courses.

Fascinating and detailed history of Forth; by Elizabeth Rather, Donald Colburn and Chuck Moore.

By FORTH, Inc. Very fast ANS compliant Forth development environment fully integrated with Windows 95/98/NT. Capable of as much real-time performance as Windows can support. 32-bit subroutine-threaded with direct code expansion for speed.

By FORTH, Inc. Integrated cross-development environment for embedded systems. Runs on Windows, supports many target CPUs, custom versions available often in days.