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comp.lang.forth FAQ: Forth Systems (4 of 7)

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See reader questions & answers on this topic! - Help others by sharing your knowledge
  comp.lang.forth Frequently-Asked Questions, part 4 of 7
  A discussion of available Forth Systems: Commercial,
  Shareware & Freeware
  John D. Verne <>
  Last modified: $Date: 1999/07/23 02:26:49 $

  Please send omissions or corrections to John D. Verne
  <>.  The Forth Systems FAQ, Copyright (C) 1996 by
  John D. Verne.  All Rights Reserved.  For all the gory legal stuff,
  please see the ``Legalities...'' section.  This FAQ is adopted in its
  entirety from the "implementations" FAQ by Stephen J. Bevan, last
  updated September 1995.  Thanks Stephen!

  Table of Contents

  1. Introduction

     1.1 What this document is
     1.2 What this document is not
     1.3 How to get the files listed herein
     1.4 Why are some listings so terse?
     1.5 Requesting Changes to the FAQ
     1.6 About the Systems FAQ

  2. Recent Changes

     2.1 Change Log
     2.2 To Do

  3. Forth for Embedded Systems

     3.1 8051/31
     3.2 CP/M, Z80
     3.3 Hitachi
     3.4 DSP (Digital Signal Processors)
     3.5 MCS51 (AMTEL)
     3.6 Motorola (68K, 6809, 68HC11/16)
        3.6.1 68HC11/16
        3.6.2 68000
        3.6.3 6809
     3.7 Microchip PIC

  4. Forth for Stack Machines and Forth Chips

  5. Forth for the PC

     5.1 16-bit real-mode
     5.2 32-bit protected-mode

  6. Forth for Microsoft Windows

  7. Forth for the Apple Macintosh

  8. Forth for OS/2

  9. Forth for the Acorn ARM/StrongARM

  10. Forth written in C/C++

  11. Forth for Various Flavors of UNIX

  12. Forth for the Amiga

  13. Forth for the Atari ST

  14. Forth for the Transputer

  15. Forth for the Tandy TRS-80

  16. Forth for the Apple II

  17. Forth for VAX/VMS

  18. Miscellaneous Forth

     18.1 Musical Forth
     18.2 Java Forth
     18.3 USR/3COM Pilot/Palm Pilot/Palm

  19. Forth that ain't necessarily Forth

  20. Contributors and Acknowledgments

  21. Legalities, Miscellanea and Caveats


  1.  Introduction

  1.1.  What this document is

  This is part four of a seven part document covering many aspects of
  the Forth programming language.  All seven parts are posted monthly to
  the USENET newsgroups comp.lang.forth, comp.answers, and news.answers.
  They are updated regularly.

  This part is primarily concerned with the Forth implementations
  available for a wide variety of systems.  That is, it attempts to
  answer the question, "Where can I get Forth for ...  ?"  For further
  information on Forth or Forth resources, please consult the other
  parts of this FAQ.  They can be found at:

  o  <>

  o  <>

  1.2.  What this document is not

  This document is not a complete list of all the available Forth
  implementations, and it never will be.  Neither will it ever be the
  most accurate or up-to-date source for contacts and Forth resources.
  I fully expect to have missed many legacy systems, and I know that
  there are current Forth vendors and authors who have not made it into
  these pages.

  What I have attempted to do is maintain this document as a good
  starting point for those who are interested in finding a Forth
  solution for a given system.

  Just as a single keyword search on the internet may not give you the
  exact results you want, perhaps there are enough "hits" in these pages
  to guide most people to their eventual destination.

  1.3.  How to get the files listed herein

  Some of these Forth systems are listed as being available from
  particular anonymous ftp addresses, or from "good archives".  If you
  have a choice of sites, please try and use as geographically close a
  site to you as possible.  Most ftp directories have README or 00INDEX
  files that tell you what's in them.  Read these first.

  1.4.  Why are some listings so terse?

  Forth is probably one of the most ported languages.  The number of
  implementations I have been able to note in these pages is nothing
  short of staggering.  In some cases I've been forced to be a little,
  um, terse, to say the least.  If this document is going to be accepted
  by most news servers, it has to be kept below a critical size; it may
  already be over that limit for some sites.

  If a listing is short, it is probably because that product is
  available for more than one machine.  If you can't find the Forth
  system you are looking for in this document, please remember that most
  of the vendors mentioned herein can source for a wide variety of
  platforms.  Company addresses and contact information are in part 3 of
  the FAQ, vendors <>.

  1.5.  Requesting Changes to the FAQ

  There are probably several errors and/or omissions in this document.
  If you spot an error, or feel that there is an obvious omission,
  please let me know <>.  If possible, please send
  one (1) email per change request.

  Please indicate in the email subject line that this is a change
  request for the Forth Systems FAQ, and be sure to include the exact
  text to revise.  It is especially helpful if you can provide an
  example of the new or fixed listing.

  Please note that listings marked with a "?" are known to be wrong, and
  need to be corrected or removed.  As well, I've also marked some
  listings with comments [like this] when I am unsure of the accuracy of
  the information it contains.

  1.6.  About the Systems FAQ

  The source text of this document is in SGML format, and is maintained
  with emacs, utilizing the SGML major-mode. Historical versions are
  stored as a GNU RCS archive.

  The text and HTML versions are created with the SGMLTools package,
  using the LinuxDoc96 DTD. The same tool is used to verify the SGML

  The HTML 3.2 conversion is tested with Netscape Communicator 4.61 and
  Lynx.  If you require this document in formats other than plaintext or
  HTML, please email me.

  2.  Recent Changes

  2.1.  Change Log

  Please note that recent changes to product listings are marked with a
  vertical bar ("|").

  o  99-07-22 Added RTC678 PIC Forth

  o  99-07-11 Updated ARM eForth, ARM in general, eForth in general,
     added kForth, played with heading names

  o  99-07-10 Added iTV 4os, Silicon Composers, P21Forth &etc. to
     engines section

  o  99-07-09 Added a skeleton Forth Engine section.  Need to populate
     this at some point.

  o  99-07-07 More tweaks, no real content change.  Folded some sections
     into subsections.

  o  99-07-05 Added TpForth listing. Tested 8051 and PC URLs.

  o  99-07-03 Converted to SGML; original text source has been branched
     in the archive.  This document will supercede it.

  o  99-06-30 Tweaks hacks and fixes. Massaged LegoForth listing to be

  o  99-05-05 Update hForth for ARM, transputer, Jax4th, FIJI, Holon,
     Aztec, ForthCMP, Delta

  o  98-10-07 Added refs to Hartforth, ChForth, 8051-forth, byteforth

  o  98-09-12 Fixed A. Houghton email, typos, Quartus listing

  o  98-08-24 Added entry for Quartus beta

  o  98-08-19 Added listings for chipFORTH from COMSOL

  o  98-08-13 Added TDS to the Misc/Hitachi list.

  o  98-08-12 Updated (some) changed URLs

  o  98-08-12 Updates to FORTH, Inc., MPE, jForth is now freeware

  o  98-06-02 Updated PFE info, added pForth listing

  2.2.  To Do

  Maintaining and organizing the comp.lang.forth FAQ is a large job, and
  can eat a big chunk of my time.  I've prioritized some Things To Do to
  let the reader know what I'm up to:

  1. Verify most, if not all, URLs

  2. Organize (and standardize) the internal references, and references
     to the other FAQ-files; integration with HTML versions

  3. Create links for all commercial products to vendors' sites

  4. Update commercial blurbs with latest info

  5. Use the SGML source smarter -- I may or may not continue using the
     idiosyncratic LinuxDoc DTD

  If you want to help, or have any suggestions, please let me know

  3.  Forth for Embedded Systems

  Forth is probably the most chip-friendly language there is. I won't
  pretend that I've mentioned even half of the supported chip families.
  Please note that many of the vendors in this section can source for a
  huge variety of chips and chip families.

  3.1.  8051/31


     o  8051-ANS-Forth v1.01, by F.C. Cornelis and W. Ouwerkerk
        <> is a 16-bit ANSI standard
        implementation for the MCS51 line of processors.  Currently
        available for 80C32, 80C320, 80C520, 80C552, 80C535 and runs
        also on Intel's new line of 87C251 processors.  Turnkey programs
        are free of royalties and can be located in RAM. After
        relocating it may be burned into the 8 Kb free gap in EPROM next
        to the Forth system.  Features include LOCALS, assembler, many
        libraries and a printed English-language manual.  Version 1.11
        will be released in November 1998.  [Status? --jdv]

     o  AM Research offer amrFORTH; a cross-development system for the
        8051, 80C16x and 68HC11 that features a kernel of less than 700
        bytes.  16-bit DOS or 32-bit Windows 95/98/NT development
        systems are available.  A shareware version of amr8051 Forth
        <> is available for

     o  Computer Solutions <>
        (COMSOL) produce and sell chipFORTH for many chip families,
        including the 8031, 83C552, 8051, 80186 and 80196.  Features and
        development procedures depend on the chip supported, but
        chipFORTH provides a target compiler and assembler, debugging
        tools and code to communicate with the host.  The FORTH nucleus
        is a 16-bit signed integer implementation with FORTH-83

     o  SwiftX <>
        from FORTH, Inc. <> is an interactive cross-
        development tool for embedded systems.  A Windows-based system
        that features a multitasking kernel, debugging tools,
        dis/assembler and source libraries.  Supported chips include the
        8051, 68332, 68HC11/12 and UT69R000.

     o  Laboratory Microsystems, Inc.
        <> (LMI) offer
        the LMI FORTH metacompiler that cross-compiles to many chip
        families, including the 8051/31.  Compiles to ROMable code, or a
        turnkey disk application.  Produces headerless words for compact
        code.  There is no license fee or royalties for compiled

     o  Mikrap and Forth-Systeme sell SwissForth and act as agents for
        Laboratory Microsystems, Inc. (LMI).

     o  MicroProcessor Engineering, Ltd. (MPE) offer their Forth5 Cross
        Compiler for the 8031 which contains expanded ROM/RAM and single
        chip targets.  Variants for the 8055x also available.

     o  Offete Enterprises, Inc. 8051 eForth
        <> by C. H. Ting.  A
        small ROM based Forth system, with source code in MASM, for


     o  William H. Payne, the author of "Embedded Controller Forth for
        the 8051 Family", has made all the code
        for the system described in his book available.  It is also
        available with purchase of the book from FIG.

     o  ?eForth51
        may be downloaded free of charge from the RealTime Control and
        Forth Board (RCFB) <>.  Designed
        to be very portable.  [JDV:960920]

     o  51forth <>
        (alternative site
        is a subroutine-threaded Forth by Scott Gehmlich.  [APH:950807]

     o  CamelForth/51
        by Brad Rodriguez is an ANSI Standard Forth that is free for
        non-commercial work (negotiate with the author if you want to
        use it in a commercial product).  This is a beta-test version.

     o  TpForth 2.6 <> by Technopoint
        Inc. <> is an integrated software
        development and debugging environment for the production of
        embedded Forth software.  Two components make up the system:
        TpForth Developer Studio and TpForth Real Engine.  The former is
        an application designed for Microsoft Windows for writing multi-
        threaded Forth programs and their interactive symbolic debug in
        real time.  The latter is a multitasking engine that allows the
        real time execution and debug of Forth programs on the target
        hardware architecture (in other words, a multitasking stack
        based machine that has been implemented on supported hardware
        architectures).  Supported target architectures are currently
        8051, 8086 (16- and 32-bit) and the MIPS family.

  3.2.  CP/M, Z80


     o  Laboratory Microsystems, Inc. (LMI) offer a version of their
        Forth-83 cross-compiler for the Z80 and the HD64180. [see the
        ``8051'' section]

     o  |eForth <> has been
        ported to the Z80 by Ken Chen.  Includes a diagnostic program to
        debug the system during cold boot.


     o  CamelForth/80
        by Brad Rodriguez is an ANSI Standard Forth that is free for
        non-commercial work (please negotiate with the author if you
        want to use it commercially).  [SJB:950721]

     o  eForth
        has been ported to the Z-80.

  3.3.  Hitachi


     o  MicroProcessor Engineering, Ltd.
        <> (MPE) Forth 6 compiler for the
        H8/300H is a Windows-hosted system with a choice of umbilical or
        standalone targets.  Comes with source code.  No runtime

     o  chipFORTH from FORTH, Inc is available for the H8.  [see the
        ``8051'' section]

     o  Triangle Digital Services Ltd.
        <> (TDS) have
        two varieties of Forth burned into the PROMs of their Hitachi-
        based microcontroller systems.  Two versions are available:
        16-bit ANS Forth on an H8/532, and FIG-Forth on the 8-bit
        HD6301.  Manuals and utilities are provided.

     o  |eForth <> has been
        ported to the H8/532 by Bernie Mentink.


     o  pbFORTH (Programmable Brick FORTH)
        <> is an
        embedded almost-ANS Forth for H8/300 and LEGO Mindstorms based
        on hFORTH by Dr. Koh [see the ``PC Forth'' section].  Plenty of
        tools, utilities and examples are included.  Source code
        available for download.

  3.4.  DSP (Digital Signal Processors)


     o  Computer Solutions (COMSOL) <> offer a 32-bit FORTH for the T800.  All 64-bit
        floating point instruction are supported on the T805.  Features
        include a speedy optimized compiler, generation of ROMable code,
        dis/assembler and debugger.  Multi-tasking kernel.

     o  ?TCOM FORTH Target Compiler by Tom Zimmer and Andrew McKewen has
        been extended for the TMS320.  It also supports 808X, 80196 and
        SuperZ8. [is this still accurate information?  --jdv]

     o  FORTH, Inc <> offers chipFORTH
        <> for the
        TMS320C31, an interactive, DOS-based, cross-development
        environment for embedded systems.  Support for Intel, Motorola
        and Hitachi microcontrollers.

     o  Micro-K Systems produce complete AT&T DSP32 boards running
        Forth. Includes the AT&T DSP library.

     o  MicroProcessor Engineering, Ltd. (MPE) Forth5 Cross Compiler,
        for various TMS320C3x family DSP chips.


     o  A port of eForth
        is available for the 56002 DSP.  [JDV:970412]

     o  Dwight Elvey has made available a Forth cross-compiler
        <> for
        the 21xx family of DSP chips that runs under Tom Zimmer's TCOM.
        It was originally designed for the 2181, but should be easily
        adapted to other 21xx parts (e.g., the 2115). The use of special
        218x/7x instructions was avoided.

  3.5.  MCS51 (AMTEL)


     o  ByteForth is a near ANSI Forth implementation for the MCS51 line
        of processors.  Currently only the AT89C1051 and AT89C2051 are
        supported.  ByteForth is an optimizing macro compiler,
        generating royalty-free standalone applications.  The compiler
        lets the user free to adjust the RAM and ROM for optimal use and
        has a built in Flash programmer.  The system runs under
        8051-ANS-Forth v1.01 [see the ``8051'' section] an a B+ SBC with
        80C535.  Features built-in hardware support, decompiler, 8051
        assembler, DOS server, printed (Dutch-language) manual and two
        AT89C2051-12PC processors, cables and Flash programmer.  Please
        contact W. Ouwerkerk <> for

  3.6.  Motorola (68K, 6809, 68HC11/16)

  3.6.1.  68HC11/16


     o  AM Research offer a version of amrForth for the 68HC11. [see the
        ``8051'' section]

     o  COMSOL offers chipFORTH for the 68HC11/16.  [see the ``8051''

     o  Holon 11 <> by Forth
        Engineering is an integrated cross- development tool, which lets
        you work interactively on the program in the target system.  The
        200 byte remote monitor is boot-loaded into the 68HC11.  Holon
        11 offers all benefits of HolonForth [see the ``PC Forth''
        section].  A free fully functional test version is available.

     o  SwiftX from FORTH, Inc. <>.  [see the
        ``8051'' section]

     o  MicroProcessor Engineering, Ltd. (MPE) has a version of their
        Forth5 Cross Compiler for the PC, which includes a resident
        Forth for the 68HC16.  This is a 16-bit Harvard model (64K code
        & 64K data).  The MPE Forth includes "long address" fetch and
        store operators for the full megabyte of 68HC16 memory.
        Multiple data pages are also supported if your hardware will do

     o  Laboratory Microsystems, Inc. (LMI) offer an 83-Standard
        metacompiler for the 68HC11.  [see the ``8051'' section]

     o  New Micros, Inc. <> has Max-FORTH which
        is burned into the ROMs of their OEM 68HCxx development boards.
        Max-FORTH uses a serial port to talk to the outside world, and
        can be compiled to off-chip ram.  [BL:931117]

     o  |An eForth <> port is
        available for the 68HC11.


     o  ?tiny4th <> by Karl Lunt
        is free for all non-commercial use.  [JDV:960918]

     o  eForth
        is a highly portable, ANS-aligned Forth with source.

     o  Various at  <> &

  3.6.2.  68000


     o  Bradley Forthware's ForthMon is available for US$500.

     o  COMSOL offer chipFORTH for the 68332, 680x0.  [see the ``8051''

     o  SwiftX from FORTH, Inc. <> [see the ``8051''

     o  MicroProcessor Engineering, Ltd. (MPE): Forth5 Cross Compiler, a
        32-bit cross-development system for the PC.  A protected-mode
        version is available.

     o  Laboratory Microsystems, Inc. (LMI) offer a 16- or 32-bit 680x0
        Forth-83 system.  [see the ``8051'' section]

     o  |eForth <> has been
        ported to the 68000 by Richard Haskell, specifically for the
        Motorola ECB board.


     o  There is a version of Laxen and Perry's F83 which will meta-
        compile 68000 code on a PC that can be burned to ROM, or used
        with S records any way you like.  It is available on GEnie as
        M16PC.ARC.  [MC:93]

     o  ?bot-Forth
        <>: The
        source code is comprised of 3 parts: the metacompiler, mini-
        assembler, and the kernel.  The kernel will meta-compile itself.
        The metacompiler was presented at the 1989 Rochester Forth
        Conference. [SJB:93]

     o  F68KANS & F68K, Joerg Plewe. [see the ``8051'' section]

     o  eForth has been parted to the VME 68K.  A subroutine threaded
        implementation of ECBE4TH 32-bit eForth, derived from Haskell's,
        is available on GEnie as MVME167.ZIP.

     o  TILEforth by Mikael Patel. [see the ``C-Forth'' section]

     o  Various at

  3.6.3.  6809


     o  CamelForth/09
        by Brad Rodriguez.  Consult the author for commercial use.

  3.7.  Microchip PIC


     o  |IRTC678 for the PIC <> is
        available from RAM Technology Systems.  IRTC678 for the PIC
        produces optimized machine code.  The 'words' are subroutines
        that use the 8 deep stack of the PIC and the compiler keeps
        track of the stack use to warn of wrap over. The PIC is
        programmed incrementally by the ICEPIC module that connects to
        the host PC parallel port and your project hardware.

     o  F2P v1.0
        is a compiler that reads Forth source for the PIC16Cxx family of
        microcontrollers and generates a file ready to be assembled by
        Microchip's MPASM. You will need MPASM or MPLAB to be able to
        generate executable code.  This is freely available from the
        Microchip web site <>.  Incremental
        updates <> may be
        available. [JDV:970815]

     o  |eForth <> has been
        ported to the PIC17C42.


     o  There is an implementation for the PIC of unknown pedigree here:

  4.  Forth for Stack Machines and Forth Chips

  [Under construction. Suggestions welcome. --jdv]


     o  |The iTV Corporation <http://www/> has developed
        4os, a real-time OS that utilizes the i21 Forth microprocessor.
        4os is a complete networked information appliance operating
        system.  The entire system (OS, live Forth system, network, file
        system, graphic decoders &etc.) requires less than 512Kb of
        program memory.

     o  |Silicon Composers, Inc. <>
        offer several high-end single board computers and parallel
        coprocessor systems based on the Harris RTX 2000 and SC32 stack
        machines.  SC/Forth for the Harris-based systems is a
        multitasking Forth-83 standard implementation with IEEE
        floating-point and utility libraries available.

     o  |P21Forth <> from
        Offete Enterprises, Inc. is an ANS implementation designed for
        the MuP21 (and MuP21h).  Includes drivers for bit manipulation,
        I/O, graphics and multitasking.  Discrete P21 chips and
        evaluation kits are also available.

     o  |Offete Enterprises, Inc.
        <> offer the Indelko
        RTX2000 kit with the cmForth source code for US$150.


     o  |S21 <> is a freely
        available simulator for the MuP21 Forth machine.  It comes with
        an online manual, source code and a target image of P21Forth.

  5.  Forth for the PC

  5.1.  16-bit real-mode


     o  CHForth is a 16-bit ANSI standard implementation for the Intel
        80x86 and above processors under DOS. CHForth runs in real mode
        using multiple segments.  By using more segments much larger
        programs can be written than under F83.  CHForth makes it easy
        to generate turnkey programs (with or without headers).  Royalty
        free.  Features online help, command-line editor, Locals,
        interrupt support and many libraries.  Please contact W.
        Ouwerkerk <> for details.

     o  polyFORTH <>
        from FORTH, Inc. <> is a fully integrated,
        interactive programming environment designed for real-time
        applications on 32-bit DOS-based PCs.  Includes an assembler,
        editor, programming aids and utilities.  polyFORTH hosts a
        cross-development system for single-chip microcontrollers. [See
        the ``8051'' section]

     o  Harvard Softworks HS/FORTH makes full use of extended memory,
        and comes with optimizer, sound, graphics, and 80x87 libraries.
        Has an odd, but efficient, use of memory and dictionary
        structure.  [JDV:950919]

     o  Holon 86 <> by Forth
        Engineering is an interactive cross-development tool for x86
        processors in real mode under DOS. Holon 86 offers all benefits
        of HolonForth: browser user interface, structured presentation
        of the source code, hypertext and direct access to every program
        word, automatic code substitution, automatic code stripping,
        single step debugging of Forth and assembler code.  A free test
        version is available.

     o  MicroMotion MasterFORTH is available for the PC.

     o  Miller Microcomputer Services (MMS) offer MMSFORTH V2.5 for
        systems with and without DOS.

     o  Laboratory Microsystems, Inc. (LMI) offer UR/FORTH
        <>, in 16-
        and 32-bit implementations.  They provide libraries for
        telecommunications, 80x87 support, custom characters, target
        compiler, and more.  Based on the Forth-83 standard.

     o  MP7: TURBO-Forth.  Four versions optimized for specific CPU's.
        Also: FASTGRAF; an I/O and graphics package for TURBO-Forth.


     o  AstroForth
        <>, I. R.
        Agumirsian.  An 83-Standard Russian Forth with windows,
        assembler, and a screen editor.  This is a demonstration system

     o  eForth
        is a very portable, ANS-aligned, public-domain Forth that comes
        with all sources and only 29 words in assembler.

     o  ForthCMP 2.3S <> by
        Tom Almy is a fast native code compiler for DOS and embedded
        80x86 applications.  Both ANS and 84-Standard versions
        available.  Printed documentation supplied with registration.

     o  Golden Porcupine Forth, v92.5 by Alexandr Larionov.  Distributed
        as FREEWARE, with Russian docs, for non-commercial work.
        Includes various useful libraries for graphics, sound &etc.
        Follows the Forth-83 Standard.  Phone: 7 095 288-2660.  [VPF:93]

     o  Pygmy Forth v1.5 <> is a
        small, 16-bit DOS Forth written by Frank Sergeant that is
        modeled after Chuck Moore's cmFORTH for NOVIX.  It is shareware
        but there is no charge for registration.  If you DO choose to
        register, there is a Bonus Disk with goodies for  $20.  Complete
        with documented source code, editor, multitasker, I/O, assembler
        and metacompiler.  Can be embedded in a C wrapper to access C
        library routines.  Pygmy Forth is free to download

     o  MVP-FORTH <
        mvp.exe>, a Forth-79 from Mountain View Press Inc. (MVP), is
        freely available for different platforms.  MVP also offer other
        commercial Forth systems, information, and books.

     o  ?TCOM v2.5 <>
        by Tom Zimmer is a 16-bit cross/metacompiler for DOS.

     o  ?  F-PC v3.6 <> is a 16-bit
        Forth that is based on the Forth-83 Standard, but includes
        numerous extensions.  Very complete implementation, with lots of
        examples, and a huge library of code for graphics, I/O, math,
        &etc.  Available for public download

     o  hForth v0.9.c
        by Wonyong Koh is an ANS-Forth inspired by eForth.  This free
        beta release is ANS-compliant, and all commented MASM source
        code is included.  There are three hForth models to choose from:
        A standard EXE (for segmented memory machines), RAM (for any
        other RAM-only system), and ROM (for small embedded systems).
        Designed to be easily ported to any CPU (Z-80 & ARM versions are
        also available).  [SJB:950720]

     o  wpforth v1.0
        <> by Albert
        Chan is a prototype of a typographical programming system built
        around WordPerfect v5.x and Pygmy Forth v1.4.  [SJB:950722]

     o  ZENForth v1.18a
        <> by Martin
        Tracy is a ROMable small-model ANS-Forth.  The beta version is
        bundled with J. Woehr's book, "Forth: The New Model" (ISBN:

     o  ?4tH v3.2e <> is
        a fast, portable and stable compiler that is very easy to embed
        into C applications.  It is ANS-Forth and 79-Standard
        compatible, and includes such constructs as assertions,
        exception handling, and decompilers.  Generates portable byte
        code.  Confirmed ports to DOS, Windows, Linux, BSD-UNIX, DPX/2,
        DPX/20, RS/6000, and Coherent, with others in the works.  Comes
        with lots of documentation and sample applications.  4tH was
        discussed in Forth Dimensions (Sep/Oct 1996).  Available for

     o  Various at  <> &

        These should be available on any SIMTEL mirror

     o  bbl_[ab].zip: Fast 16/32-bit Forth based on F83; needs work

     o MiniForth system v2.5, with A86 [a public-domain
        assembler] source

     o Sampler of floating point Forth compiler

     o Original Fig-86 Forth compiler [SJB:931030]

  5.2.  32-bit protected-mode

  Please note that the ``16-bit real-mode'' listings may also contain
  references to 32-bit implementations.

     o  Bradley Forthware sells Forthmacs for $250.  Price includes
        source and DOS extender.

     o  polyFORTH from FORTH, Inc. <>.  [see the
        ``PC Forth'' section]

     o  HS/FORTH, by Harvard Softworks, provides access to a full, flat
        4Gb of memory.  [JVN:93]

     o  iForth <> is an ANS-
        compliant system by Marcel Hendrix <>
        available for DOS (with the GO32 extender), WinNT, or Linux.
        iForth is optimized for speed. It is subroutinethreaded, and
        uses a combination of macro expansion, special-casing, and
        peephole optimizing.  iForth also contains many words to
        interface to the PC hardware; either directly under MS-DOS, or
        through libraries in the Linux iServer.  A very large number of
        Examples are available, including: graphics, floating-point
        utilities, language compilers and interpreters, code to work
        with .WAV files, and routines to access Novell Net hardware.
        Comes with a 220 page manual and an online help facility (ASCII
        or HTML).  iForth costs Dfl 200 (US$130), but a free copy is
        available for those planning to use it for projects in any way
        beneficial to the Forth community at large, or those using the
        MMURTL OS.  [JDV:960911]

     o  Laboratory Microsystems, Inc. (LMI) sell a 32-bit protected-mode
        UR/FORTH based on the 'Phar Lap' DOS extender.  [see the ``PC
        Forth'' section]

     o  MicroProcessor Engineering, Ltd. (MPE) ProForth for DOS
        <>, v2.2 is a powerful,
        comprehensive Forth system for 386+ DOS PCs.  Uses a royalty-
        free DOS extender to provide a full 32-bit Forth running in
        protected mode.  Features full DOS file and shell support,
        VGA/EGA graphics, direct screen writes, support for IEEE
        floating-point math, a macro assembler and a Forth decompiler.

     o  Offete Enterprises Inc. has a protected-mode 32-bit eForth
        <> that comes with
        source code and a public-domain DOS extender.

     o  bigFORTH by Bernd Paysan [see the ``Atari'' section ].


     o  Common Forth v1.668 <> is an
        experimental 32-bit Forth system that features floating point
        support, C interface, disassembler/assembler, graphics support
        and a metacompiler.  Full source code included.

     o  eForth
        is available as a 32-bit port by Andy Valencia.

     o  FORTH32 is a flat 32-bit subroutine-threaded Forth for DOS-DPMI.
        [see the ``OS/2'' section]

     o  MB&WW Forth386 V1.0 is a Forth interpreter conforming to the
        ANSI draft standard X3.215, for 80386+ processors running MS-DOS
        V3.3 or later.  The dictionary is kept separate from the
        compiled code, allowing a header- less copy of the interpreter
        to be saved as a new executable file.  Utility definitions are
        provided which take advantage of this to produce compact and
        secure applications.  Supports file-oriented or block I/O.
        String handling has been made an integral part of the design.
        Please email J. Bruce <mailto://> for details.

     o  FROTH <>
        is a free 32-bit Forth system, with source code.

     o  Gforth v0.1b works under DOS (with the GO32 DOS extender).  [see
        the ``C-Forth'' section]

     o  OOF <> is an
        object-oriented 32-bit Forth System written by Zsoter Andras. It
        does not use a threaded paradigm, and generates native machine
        code. Although many ANS Forth programs will run on OOF, it is
        not fully ANS Forth compliant.  All source is under the GNU
        General Public License. [SJB:940722]

     o  Ale Forth <> by
        Johns Lutz Sammer.  Implements ANS Basis 17 wordset along with
        lots of extensions.  Supports subroutine threading, native code
        generation and inline words.  [SJB:940722]

     o  |KernelForth <> is a development
        system for writing Win32 device drivers.  It is targeted for use
        in a lab environment.  Source code available.  Registration is
        required, but free.

  6.  Forth for Microsoft Windows


     o  Bradley Forthware Forthmacs is available for Windows 3.1 and
        costs $250.  It includes an EMACS editor and comes complete with

     o  iForth for Windows NT 4.0/Linux comes with a C-server that
        handles all I/O and other operating system-specific tasks.  This
        version supports pipes, dynamic linking, Tcl/Tk, X-windows, SVGA
        graphics, Voxware, MIDI, and control of virtual console screens.
        [see the ``32-bit PC Forth'' section]

     o  LMI WinForth v1.01
        <> is a 16-bit
        Forth for Windows 3.1/NT 3.1 available from their BBS, or via
        ftp <>, for a
        US$100 registration fee.  Comes with a native-code compiler and
        debugger.  Supports 80x87 floating-point, SDK Help and overlays.
        The kernel can be re-compiled.  Based on the Forth- 83 standard.
        A 32-bit version is under development.

     o  MicroProcessor Engineering, Ltd. (MPE) ProForth for Windows
        <> v2.1 is a 32-Forth
        environment designed to run under Windows 3.11/95/98/NT.
        Features include simple access to the 32-bit Windows API and
        DLLs, debugger, (dis)assembler, fast compilation, on-line help
        and interfaces for file system support, floating-point and
        serial communications.  Supports the ANS Forth standard.
        Windows 3.11 requires WIN32s (supplied).

     o  SwiftForth
        <> from
        FORTH, Inc. <> is an extremely fast Forth
        system fully integrated with Windows 95/98/NT.  It is capable of
        as much real-time performance as these environments can support.
        Fully compliant with the ANS Standard.  32-bit subroutine
        threaded implementation.


     o  Aztec Forth <> is a
        minimum system for IBM compatible computers under Win95.  Aztec
        Forth generates native Intel code, with inlining available to
        modify the amount of subroutines based on the size of the
        current word.  Windows API calls are normal Forth words and DLLs
        are wordlists, although WORDS will not list the contents of a
        DLL.  All addresses are treated the same so there is no need to
        translate from "Forth" to "Windows" addresses.  A Windows block
        editor with cut & paste and shadow block support is included
        with the download <>.

     o  GForth is available as a DOS/GO32 or native Win32 application.
        No Windows programming support yet.  [see the ``C-Forth''

     o  Jax4th v1.25 <>; a
        freeware 32-bit Forth for Windows NT complete with source code.
        The current version features complete access to NT DLLs, and a
        BLOCK loading facility.  Written in MASM by Jack Woehr.

     o  Laboratory Microsystems, Inc. (LMI) WinForth.  An "explorer"
        version is available. [see the ``commercial section'', above]

     o  ?Pocket Forth <> v0.1 for
        Windows CE is a work in progress.  There are MIPS and SH3
        binaries available.  [Address no longer valid; any ideas?

     o  Win32forth
        v3.5 by Tom Zimmer and Andrew McKewan is a relatively complete
        implementation of a Forth IDE for 32-bit Windows.  It comes with
        some online documentation and examples, but is meant for those
        who are already familiar with Windows programming.  The kernel
        can be recompiled from the C++ source.  [JDV:980420]

     o  4tH v3.2e has been ported successfully to Windows.  [see the
        ``PC Forth'' section]

  7.  Forth for the Apple Macintosh


     o  Bradley Forthware Forthmacs is available for US$50.

     o  Power MacForth
        <> from FORTH,
        Inc. <> (based on MacForth originally
        developed by Creative Solutions, Inc.) is a highly optimized
        native Power Mac system that features high-speed execution,
        internal multi- tasking and a RISC assembler providing direct
        access to the native CPU architecture.  Features include
        complete Power Mac Toolbox support, multitasking support,
        integrated editor, Quickdraw graphics libraries and extensive
        documentation.  Fully ANS compliant.

     o  Micromotion offer a version of their MasterForth for the Mac.


     o  Yerk <> is
        an object-oriented language based on Forth for the Macintosh and
        was originally a product marketed as Neon (reviewed in Dr.
        Dobb's Journal #108, 1985).  Yerk runs on all Macs with at least
        System 6.0 but requires System 7.0 (or greater) for full
        compatibility.  Manual available

     o  Mops v2.7 <>, by Michael
        Hore, is a free object oriented Forth
        <> also
        derived from Neon.  There is a PPC native version in the works.
        [info?  --jdv]

     o  Pocket Forth v6.5
        <>, by
        Chris Heilman.  Subroutine threaded with 16-bit words.  Supports
        16-bit relative, 32-bit absolute addressing.  Allows "inline"
        definitions, but doesn't have an inline assembler.  Minimal
        Toolbox support; but it does supports Apple Events.  Comes as a
        17K application, and a desk accessory.  The Distribution
        <> comes
        with complete Source; the kernel is in assembly.  There is an
        MPW version available.

     o  MacQForth
        <> is an
        adaptation of (Apple II) QForth to the Macintosh. Created with
        Mops [see above] and accompanied by the Mops sources.  An
        attractive introductory package, including some witty and
        instructive material proselytizing on behalf of Forth.

     o  ThisForth v1.0.0.d is an ANS-compliant C-Forth written by Will
        Baden, originally for the Sun, now maintained on a Macintosh.
        Designed with portability and ease of extension in mind.  The
        Mac incarnation has few Mac features; it does have drag & drop,
        and double-clicking on a source file will load and execute it.
        [see the ``C-Forth'' section]

  8.  Forth for OS/2


     o  Forth/2 by Michael A. Warot and Brian Mathewson can be licensed
        for commercial work.  Talk to Brian if you have something to add
        or you have any suggestions regarding Forth/2.  Contact Michael
        if you want to obtain a commercial license and/or source code.
        Free for non-commercial work.


     o  Forth/2 <ftp://ftp-> by Michael A.
        Warot and Brian Mathewson is available by ftp for non-commercial
        work.  [see above]

     o  FORTH32 <> is a
        flat 32-bit subroutine-threaded Forth for DOS- DPMI, and text-
        mode OS/2.  It is ANS-Compliant and contains the full ANS
        wordset implementation, including all the extension wordsets
        except LOCALS.  The DOS version has a built-in editor for code
        VIEWing, and the OS/2 version has hooks precompiled in it to
        link to GNU EMACS for VIEWing.  The OS/2 version is also fully
        multi-threaded and supports all the DOS, VIO, and MOUSE system
        calls from high-level code.  [JDV:970708]

     o  Gforth works under OS/2 (with EMX).  No OS/2-specific
        programming support.  [see the ``C-Forth'' section]

     o  The Portable Forth Environment
        (PFE) will run on most PC's under OS/2.  [see the ``C-Forth''

     o  There are two implementations of unknown pedigree at

  9.  Forth for the Acorn ARM/StrongARM


     o  RiscForth by Bill Larkin, available from Silicon Vision.  A
        subroutine threaded Forth-83 implementation with with the nose
        of the stack in a register and nice, tight coupling to the
        underlying OS.  A mean and fast commercial product.


     o  |Forthmacs v3.1
        <> is Hanno
        Schwalm's port of Mitch Bradley's Forthmacs for RISC/OS (Acorn)
        computers using the ARM2, ARM3, ARM6, ARM7 or StrongARM CPUs.
        Complete with debugger, assembler, decompiler/disassembler, and
        floating-point math.  Follows the 83-Standard, and was written
        with portability to other platforms and former versions in mind.
        It runs almost any software that has been written for Forthmacs.
        Free for evaluation, or 100 d-marks for the fully supported
        version.  Some documentation and tutorials
        <> are available online.

     o  ARMForth by Rob Turner <>, a lecturer at
        the University of Hull (United Kingdom).  Released into the
        public domain.  [JDV:960911]

     o  hForth <> has been ported to
        the ARM. [see the ``PC Forth'' section]

     o  wimpForth for the StrongARM under RISC/OS 3.7 is available from
        the author <>.
     o  |aForth <> by Reuban Thomas is
        a freely available implementation for the RISC/OS.

  10.  Forth written in C/C++


     o  Bradley Forthware C-Forth costs US$100.


     o  ThisForth
        v1.0.0.d, by Will Baden, is a reluctantly ANS-compliant C-Forth
        that originated on a Sun Workstation before the ANS-Forth
        standard.  It is intended as an embedded command line
        interpreter and scripting tool for Unix applications.  You will
        need m4 and an ANSI-C compiler to compile it.  Two major design
        objectives were portability and ease of extending.  The first
        goal was achieved by sticking to Standard C, and the Standard C
        Library; the second by the m4 macro processor to define
        primitives in "low-level Forth".  Binaries are available for a
        number of architectures (Macintosh, CRAY, MIPS, SUN, SGI,
        Intel).  [JDV:970407]

     o  PFE (Portable Forth Environment)
        v0.9.14 is an ANS-compatible Forth implementation written in
        ANSI-C.  All the code is under the GNU Library General Public
        License.  Binaries for various architectures available.  The
        interpreter has many bash-like features, like input completion.
        A more powerful version with dynamic module loading is in final
        testing.  [JDV:02JUN98]

     o  pForth v19 <> is a public domain,
        portable ANS Forth based on a kernel written in ANSI C.
        designed to be easily portable to any platform, pForth has been
        successfully ported to Macs, PCs, Suns, Amigas, SGI Indys, 3DO
        ARM/PowerPCs and others.  Features ANS standard support for most
        word sets, debugger, DEFER and smart conditionals.  Can be
        compiled without any stdlib calls or special pre-processing.

     o  Gforth <> is a
        fast and portable implementation of the ANS Forth language. It
        works nicely with the EMACS editor, offers some nice features
        such as input completion and history and a powerful locals
        facility, and it even has (the beginnings of) a manual.
        Distributed under the GNU General Public License.  Gforth runs
        under Unix (various flavors), DOS/Win (with GO32), OS/2 (with
        EMX) and Win95/NT, and should not be hard to port to other
        systems supported by GCC.  Gforth-0.1beta
        <> has been
        tested successfully on Linux (Intel), SunOS (SPARC) and Ultrix
        (MIPS).  Linux binaries
        <> and source

     o  HENCE4TH v1.2
        <>; A
        FIGforth written in C that currently runs under V7 Unix,
        Personal C Compiler, and Mix Power C.  Porting to other
        platforms should be trivial, considering how vastly different
        these three are!  [KH:93]

     o  C-Forth <>
        is available available from comp.sources.unix, or via ftp.

     o  TILEforth
        forth-2.1.tar.z> by Mikael Patel is a 32-bit Forth-83.  Can be
        built on most 68000 machines (Amiga, Atari ST, &etc).

     o  Until v2.5.2
        is (almost) Forth-83 written in C.  Its internals are described
        in the book "Write Your Own Programming Language Using C++"
        (ISBN# 1-55622-264-5) by Norman Smith
        <mailto:smithn@ORVB.SAIC.COM>.  This implementation was designed
        to call, and be called, by other C functions.  It is ideal as a
        'macro' language embedded in C/C++ applications.  Comes with 175
        pp. of documentation.  [SJB:950720]

     o  |kForth 1.0
        is available for Linux or Windows.  It implements a subset of
        the ANS-Forth Standard.  Designed such that it's object code may
        be interfaced to another program to serve as a customizable
        application language.  Features include low-level file access
        words, string manipulation and type-checking on memory

  11.  Forth for Various Flavors of UNIX

  Please see the ``C-Forth'' section.


     o  Bradley Forthware's Forthmacs.  It comes with source code, an
        assembly debugger, and floating point routines.  Available for
        Sun Solaris.  [others? --jdv]

     o  iForth v1.07 is an ANS-Forth for Linux/DOS/Windows NT.  May be
        available free, with some restrictions.  [see the ``32-bit PC
        Forth'' section]


     o  68K <>
        is an indirect-threaded 32-bit Forth based on the 83 standard.
        Written in 68K assembly (Motorola format) by Andy Valencia
        <>.  [SJB:94]

     o  A UN*X port of Forth-83
        is available.

     o  A version of figForth
        <> in
        PDP-11 assembler is available.  (Alternative site

     o  An eForth v1.0 port
        eforth-1.0c.tar.gz> (by Francois-Rene Rideau) to Linux on an
        i386 architecture is based on the DJGPP/GO32 version by Andy
        Valencia.  [SJB:950720]

     o  eForth <> has been also
        ported to Linux by Marcel Hendrix.  [JDV:970412]

     o  Gforth has been tested successfully on Linux.  [see the ``C-
        Forth'' section]

     o  4tH v3.2e
        <> has
        been ported successfully to RS/6000, Linux, BSD, and others.
        [see the ``PC Forth'' section]


     o  Firmworks Open Boot <>: built-in to the
        SPARCstation PROMs.  Inaccessible from the UNIX environment; you
        have to interrupt the boot process and then type "n" to get to
        Forth.  [SJB:950720]

  12.  Forth for the Amiga


     o  Delta Research JForth Professional
        <> 3.x comes with a tutorial,
        libraries, and examples.  The environment includes an editor
        with ARexx, and a standard block editor.  Although it behaves as
        an interpreter, JForth is a true compiler.  It can handle
        precompiled modules and includes, and comes with a utility to
        translate includes from C to Forth.  JForth provides words for
        handling C-style data structures, easy graphics and menus, IFF,
        and ARexx.  It also has an object-oriented programming system
        suitable for building data types for large projects.  [MH:93]

     o  A4th by Appleman
        is a 32-bit port of L&P F83 complete with metacompiler written
        for the A1000.  [JJW:931021]

     o  F68K & F68KANS by Joerg Plewe should work if you can implement a
        loader.  [see the ``8051'' section2]

     o  Jax4th <> is a dp-ANS2
        implementation by Jack J. Woehr.  [JJW:990102]

     o  MVP-FORTH <
        FORTH.lha> by MVP is available for the Amiga at various sites

     o  TILEforth
        <> will
        run on most 68000 machines.  [see the ``C-Forth'' section]

  13.  Forth for the Atari ST


     o  Bradley Forthware Forthmacs is available for $50 w/ optional GEM
        support, source code, floating point, applications stripper and

     o  bigFORTH, by Bernd Paysan, is available for 200 DM.  Extras:
        Source code, floating point, GEM interface, object-oriented
        extensions, native code compiler.

     o  F68KANS, Joerg Plewe.  As per the free version, but you can use
        it commercially.  Contact Joerg for licensing details.

     o  HiSoft FORTH is a 32-bit Forth for the Atari ST, with full
        support for GEM.  It is subroutine threaded, and a Motorola
        68000 assembler is also included. [HM:93]


     o  F68K
        and F68KANS
        Joerg Plewe.  F68KANS is ANS-aligned.

        There are plenty of implementations, docs and code of unknown
        pedigree available for your perusal here [anyone care to
        comment? --jdv]:

     o  <>

     o  <>

  14.  Forth for the Transputer


     o  MicroProcessor Engineering, Ltd. (MPE) Forth5 Cross Compiler for
        the T-212, T-414 and T-800.  The package consists of a PC-hosted
        (Unix if required) cross compiler and target code.  All source
        code is included.

     o  |Transputer eForth <>
        by Rob Barr for the Inmos 32-bit transputers is an experimental
        system not yet fully tested.

     o  tForth <> is a parallel,
        32-bit ANS-Forth for the INMOS range of Transputers.  Supports
        all of the Transputer hardware: task-switching, floating- point,
        the on-chip timer, and the links.  tForth is optimized for
        speed, with an integrated optimizer, and OCCAM-like constructs.
        Dynamic memory and recursion is supported, as are semaphores and
        queues, to enable multi- process I/O.  A full ASSEMBLER
        vocabulary is included, with cross- assembly to other models
        available.  Extras include: symbolic dis- assembler, debugger &
        profiler, buffered I/O, SVGA drivers (DOS), C server, double and
        single precision floating point math.  tForth (binaries for T4
        and T8 models, a DOS/UNIX server, and a 400+ page manual) sells
        for $400.  Access to source code for the server must be
        negotiated with the author.  Contact Willem Ouwerkerk at DFW.


     o  F-TP v1.00
        <ftp://ftp/leo/org/pub/comp/os/dos/programming/forth/transputer/f-> is a free Forth-83 for the T-80x INMOS transputer
        family, designed to replace the OCCAM development kit.  Most of
        the ANS core wordset is implemented.  Some highlights include:
        trig functions, metacompiler, debugger, disassembler, Forth
        decompiler, assembler, integrated DOS calls, parallel
        processing, online help for all vocabularies and plenty of
        documentation.  [JDV:970705]

     o  pd-forth
        is a freeware implementation of Forth for 16 & 32-bit
        transputers, with source by Laurie Pegrum.  Requires the D705
        OCCAM development system, and a 32-bit Transputer board with 1Mb
        of memory to recompile or run.  Uses iserver interface to host.

     o  There are several implementations
        <> of Forth
        for the transputer made available by Ram Meenakshisundaram.

  15.  Forth for the Tandy TRS-80


     o  MMS have a nonDOS version of their MMSFORTH for the Model


     o  MVP-FORTH for the Model 4 by Art Wetmore.  The basic MVP-FORTH
        system is released into the public domain.  Contact MVP for

     o  There's an implementation of Forth for the Model 100 available

        1. <>

        2. <>

     o  HartForth
        by A. M. Graham is a Forth 79 implementation for the Tandy
        TRS-80 Model I/III/4.  The documentation is available as plain-
        text (ASCII)
        Microsoft Word 97
        and Scripsit

  16.  Forth for the Apple II


     o  Apple Forth v1.6, Cap'n Software.  Uses a unique disk format.

     o  6502 Forth v1.2, Programma International.  [LWV:93]

     o  FORTH II for the II+ or //e by Softape.  [LWV:93]

     o  Raven Forth (+) by C. K. Haun, runs on IIgs.  Available on GEnie
        Library 19 as file 903.  [LWV:950919]

     o  MicroMotion: MasterFORTH for II's.  Features: graphics,
        debugger, file handling, software floating point.  Follows the

     o  MVP offer MVP-FORTH; a 79-standard for II's.


     o  GraFORTH(+) for DOS 3.3, by Paul Lutus.  Available on GEnie
        Library 8, file 3299.  [LWV:950919]

     o  Mad Apple Forth(+)
        <> [LWV:93]

     o  Purple Forth(+)

     o  QForth(+) <>
        v2.0, Alpha 1.0, is a small integer Forth written by Toshiyasu
        Morita <>.  [LWV:93]

     o  GS 16 FORTH II, Version II (+)
        - A 16-bit implementation able to make use of the GS Toolbox.
        Includes assembler and full screen editor.  Also Available on
        GEnie (Library 18, file 2124/2125).  [LWV:950919]

     o  Various at

  17.  Forth for VAX/VMS

  Please see the ``C-Forth'' and ``UNIX Forth'' sections, as some C and
  UNIX based systems may port without too much effort.

        [I am currently unaware of any commercial VAX/VMS Forth --jdv]


     o  vforth
        forth.tar-z> is a 32-bit forth based on the FIG model, but it
        deviates where necessity or religion demanded.  It will run on a
        VAX running 4.2, and tends to use the UNIX system calls in only
        the most generic of ways (i.e.: it should move to 4.1 without
        problems).  vforth uses subroutine threading and inline code
        generation to increase performance.

     o  John O. Comeau <> has made the
        <> and
        for versions 1 & 2 of FIG-Forth for the VAX/VMS available.

     o  Klaus Flesch wrote a VAX VMS Forth some years ago.  It is
        believed to be derived from FIG-Forth.  Availability is
        uncertain; try contacting the author, c/o Forth-Systeme.

     o  There are two files of unknown pedigree at

  18.  Miscellaneous Forth

  This is a catch-all section for implementations that didn't seem to
  warrant their own sections.

  18.1.  Musical Forth

  o  HMSL (Hierarchical Music Specification Language); Frog Peak Music.
     Contact Delta Research, or Phil Burk <>, at
     the Center for Contemporary Music at Mills College.

  o  MANX 1.0 is an extension of the regular Forth environment, enhanced
     with a number of special purpose music language words.  The program
     is able to read and write standard MIDI files, with special
     instrument drivers taking care of I/O details.  At this moment MANX
     has drivers for metallophones, the PC speaker, and GM (General
     MIDI) synthesizers or sound cards that support MIDI.  This music
     language aims to be complete in the sense that a user should be
     able to translate anything written down in conventional scores to
     MANX commands.  32-bit ANS-Forth, with many extensions.  Free with
     iForth [see the ``32-bit PC Forth'' section].  [JDV:970315]

  18.2.  Java Forth

  o  jeForth <> is a Java applet based on
     eForth that is free for non-commercial use.  It has been designed
     to be compatible with the description of Forth in Brodie's
     "Starting Forth".  A commercial version is being planned.

  o  Misty Beach Forth <> is an ANS-compliant
     implementation that runs as an OS independent applet.  It is
     designed to run multi-threaded code at speeds comparable to native
     Forths.  The full package will include an IDE.

  o  DELTA Forth is a non-standard Forth system, as it is a compiled
     dialect. It runs on Java, so it is platform-independent.  DELTA
     Forth is free of charge, as it is still in Alpha development stage.
     The most important feature apart from being platform independent is
     that DELTA Forth has support for external libraries, so its
     capabilities are virtually limitless.  Please email the author
     <> for details.

  18.3.  USR/3COM Pilot/Palm Pilot/Palm

     o  Quartus 1.2.1 <> is an on-board
        native ANS Forth optimizing compiler for the USR/3Com Pilot,
        Palm Pilot and Palm III series of PDAs.  Standard precompiled
        (PilRC) resources can be used in your Quartus programs and there
        is built-in compiler awareness of the PalmOS systrap calls.
        There is an evaluation-only version which will not compile code
        to a .prc.

  19.  Forth that ain't necessarily Forth


     o  FIFTH by Software Construction Co.  Available for the Amiga, PC.

     o  Charles Moore's OK for PC's was developed as the OS for Chuck's
        VLSI CAD system.  It is essentially a minimal Graphical User
        Interface (GUI).  Available from Offete Enterprises, Inc.
        <> Source for the MuP21 Forth
        compiler is also available.

     o  Meme (Multitasking Extensible Messaging Environment) from
        Immersive Systems, Inc. is a Forth interpreter with multitasking
        and floating- point extensions.  The executable has a fast 3D
        rendering engine and a TCP/IP interface that is callable with
        Forth words.  Each object in a Meme virtual world is a
        dynamically-loadable module.  The executable Forth code in the
        modules is a hybrid of token threading and indirect threading
        that is platform-independent and executes identically on any
        computer running the Meme interpreter.  [JDV:960911]


     o  Kevo <> by Antero Taivalsaari
        <> is a prototypical (classless) object-
        oriented language (for the Mac) which has a Forth feel to it.
        Features multitasking, dynamic memory management, and an
        integrated (Mac Finder-like) iconic programming environment.
        Comes with source, demo programs, and some documentation.

     o  ANNforth
        by Bruce J. McDonald.  No documentation, but a header file
        states "ANN simulator with forth interpreter".  Written in C++.

     o  TIPI v2.0a <> is a small, structured,
        extensible programming language for DOS computers.  It requires
        about 100K bytes of RAM to run and is thus well- suited for
        palmtop computers such as the Poquet PC, the HP-95LX or the
        HP100LX.  TIPI incorporates elements from various languages (C,
        Pascal, awk, BASIC) and owes a tremendous amount to Forth.
        While TIPI is not Forth, it is definitely Forth-like and Forth-
        inspired.  A Windows CE version may be in the works.

     o  FIJI <> is a Forthish Java
        interpreter by Jack J. Woehr.

  20.  Contributors and Acknowledgments

  This document is based on previous work by Stephen J. Bevan, Doug
  Philips and Bradford J. Rodriguez.

  Many thanks, and a box of *magic* cookies, to the following for
  providing the information for this section of the FAQ:

  o  Bruce Bennet <> (BB)

  o  Stephen J. Bevan <> (SJB)

  o  Mitch Bradley <> (MB)

  o  Mike Coughlin <> (MC)

  o  Valery P. Frolov <> (VPF)

  o  Mike Haas <> (MH)

  o  Kevin Haddock <> (KH)

  o  Rick Hohensee <> (RH)

  o  Andrew P. Houghton <> (APH)

  o  Nan-Hung (Carl) Lin <> (CL)

  o  Benjamin Lee <> (BL)

  o  Henry McGeough <> (HM)

  o  Dick Miller <> (DM)

  o  Julian V. Noble <mailto:jvn@fermi.clas.Virginia.EDU> (JVN)

  o  Bernd Paysan <> (BP)

  o  Elizabeth D. Rather <> (EDR)

  o  Bradford J. Rodriguez <> (BJR)

  o  Antero Taivalsaari <> (AT)

  o  Larry W. Virden <> (LWV)

  o  Jack J. Woehr <> (JJW)

  21.  Legalities, Miscellanea and Caveats

  This document is not in the public domain.  To keep it freely
  accessible to all, I've reserved all rights of ownership.  You may
  distribute copies or quote from this compilation freely on the
  conditions that credit is given to the contributors, and this entire
  copyright notice is included with any quote or copy:

  "The Forth Systems FAQ, Copyright (C) 1996 by John D. Verne.  All
  Rights Reserved."

  If, for some strange reason, you wish to make money by copying or
  distributing this document, please let me know <>.

  The other parts of this FAQ may be copyrighted by their respective
  authors, as well.  Consult with the author(s) of the other parts for
  more complete copyright information.

  Some terms mentioned in this document are known to be trademarks or
  service marks.  However, the author(s) have made no attempt to label
  them as such.  The reader should contact the appropriate companies for
  complete information regarding trademarks and registration.  This
  document is provided "For Your Information" only.  The author(s)
  accept no responsibility for errors or omissions, or for loss or
  damages resulting from the information contained herein.

   'Nuff said.  May the Forth be with you.

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