Standalone Forth (neither ANS compliant nor ColorForth) for PC.

The friendly Forth compiler/interpreter: detects virtually every error and reports what and where they occur, but is still fast and compact. Uses only signed 32 bit numbers. DOS, Windows, Unix.

Forth-based, data-entry, data-base, screen-handling language. Automatically handles routine housekeeping that usually accounts for 90% of interactive application code. All Abundance programs can jaunt (run backward in time).

Downloads: 3 programs, 1 library.

An expression used to convey an epiphany felt on the sudden manifestation of the essence of meaning of something. Heuristic architecture; holistic approach using hardware and software methods developed by Moore: descriptions of compiler, system, optimizing editor for F21.

By AM Research, Inc. Base 8051 is full function shareware. Over 25 CPUs supported by commercial version in DOS or Win95/NT. Only 2.3K of program memory and 128 bytes of CPU RAM has full screen Editor, serial communications, interpretor, ROM-able in multiple formats, automatic baud rate computing, single stepping debugger, disassembler.

Autodesk Threaded Language Application System Toolkit. By John Walker. Attempt to make software component technology and open architecture applications commonplace in the mainstream software market. Based on FORTH-83, written in C. Public domain.

Minimal (and unmaintained) system for using Forth on Microsoft 32 bits operating systems.

Native code, 32-bit Forth for Linux or Windows 95/98/NT/2000, with MINOS graphic user interface, and Theseus rapid GUI development editor. GPL, on SourceForge.

For Unix, written in C, by Allan Pratt, 1992.11.04 version; on LEO.

By COMSOL: Computer Solutions Ltd. Interactive high-level software development environment for embedded micro-processors and -controllers: unique combination of high level language, realtime operating system, PC based compiler, interactive environment.

Forth implementation for Intel microprocessors.

For Motorola ColdFire chips. [Open source, Artistic/GPL]

Forth compilers, dozens, FTP downloadable, at Taygeta Scientific, Inc.

Forth compiler for the .NET platform. [Open source].

ANS Forth 94 translator for PalmOS.

By DELOSOFT.COM. Supports: all Win32 (CE/9x/ME/NT/2000, CE emulators), Intel/MIPS/SH3/StrongARM CPUs. ANS'94 compliant, current language standard. Multithreaded core. Compatible with SP-Forth/3.x and libraries. Self-hosted development: compiler and console run directly on target platform (a portable device), needs no PC for WinCE development.

Unofficial eForth for Linux 2.0.x and FreeBSD 2.0.5, using Wil Baden's pinhole optimizer.

Forth systems for AVR, PIC and MSP430.

The n'th Forth: experimental Forth written as stand alone system for 80386 PCs and above, tested on some Pentium and Athlon desktops, laptops; from Sean Pringle 'The State of Flux' website. Basis for Flux variant of colorForth.

By HARDCODE Development; portable Forth development system for Motorola 680x0, supports ANSI; includes source, documentation, tools; free download.

Forth Inspired Command Language, ANS Forth interpreter in C. Use: scripting language to embed in other systems as object-oriented command/macro/development prototype language. Descriptions, many documents, downloads. [SourceForge]

C version of ficl (Forth Inspired Command Language), runs on eCos OS; eCos and Forth can be small, ZOG is under 150K with author setup: i386, floppy booting. Added words: inb, outb. Tiny description, downloads: source, floppy image.

Written in Java, full GPL source. Runs in command line or AWT window. Accepts syntax like Forth language and uses reference stack to push and pop all parameters to its functions. Can create Java objects and call methods on them from FIJI stack.

Public domain Windows 95/98/NT based development environment for ultra-flexible embedded firmware, for microcontrollers. Loosely based on the IEEE1275 Open Firmware, but fits nicely on an 8-bit 8031 system: under 10k.

Server-side web scripting engine based on Forth.

By Bureau d'Etudes (engineering and design department) Melice SPRL. ForthCAD-3D (French), 2D/3D Computer Aided Design software. ForthCAD-Pager (English), simple, accurate, reliable, low cost 2D editor, comes with new modular 3D CAD product line, evaluation/upgrade download.

Tom Almy's Forth compiler for x86 targets. Not interpreted: compiles to machine code (built-in assembler), written in Forth; very compact, fast, mature, stable.

Begun as Andy Valencia eForth x86 port, 32-bit mode, was runnable under DOS DJGPP 32-bit extender; stalled for years then resumed to adapt to GRand Unified Bootloader (GRUB), environment was improved to give ForthOS. Description, download, links.

TUNES project Wiki page; many links, little description, on Forth OSs.

Experimental Forth development system for PC, runs in protected mode under DOS, written in 386 assembler, powerful built-in source editor, tools for cross-reference can modify source automatically. Can make stand-alone DOS applications: .exe files.

Forth-like system for the MSP430 (and other processors such 386)

Customized version of pForth that provides bindings to the FLTK library.

Article of Wonyong Koh. Originally published inForth Dimensions XVIII/2, 30.

Object oriented set of extensions to Forth, for experimental music composition and performance. For any Macintosh, and 1 Meg RAM.

By Wolf Wejgaard Forth Engineering. New, Forth-based instant programming tool and interactive programming method that lets you build reliable programs in very little time; merges all parts of a powerful development tool: browser, editor, assembler, compiler, linker, debugger, interpreter.

Free, full function demonstration version of Holon-86, which builds target programs on DOS platforms. You can use it for real programming.

Very simple object oriented Forth implementation, by Helge Horch.

Very fast, multi-platform, full 32-bit Forth: 4 GByte flat address space, subroutine threading, runs on any Intel compatible CPU '386+'387 or more, and on DOS, Linux, Windows NT.

Because Forth IS! Free, 32-bit, direct threaded Forth compiler for x86. Other processors to be supported.

Three Jack J. Woehr implementations. JaxForth/Jax4th: ANSI Standard Forth for Amiga, Windows. VWin4th: 1994 tiny demo Forth written in Digitalk Smalltalk for Windows, source only. Also, author's book and many good links.

Free, subroutine threaded language and full programming environment for Amiga: several tutorials, on-line manuals, large professional quality manual, FAQs. Site has links, programs, history. Was sold commercially by Delta Research.

By Delta Research, subroutine threaded Forth for Amiga, originally a commercial product now released as freeware: register and download, technical support, applications, review by Jack Woehr, links.

Programming language and environment; implements large subset of ANS Forth, and extensions; can be standalone computing environment or object code can be linked to other programs to be a customizable language for that program.

Forth for i586-PC-Linux: kernel shared library, realtime, multitasking, executable code compiling Forth system. Written in Intel style assembly language (NASM); designed not for portability, but for efficiency. Open source.

Runs on Linux OS, similar to eForth. Goals: simple, easy to understand first, speed and elegance later; able to call functions (procedures) in dynamic linked library (.so files). Download, development forum.

Documentation with all Forth words indexed, defined; in text and PDF. V3.5E is for F68HC11, has words for EEPROM. V5.0 is for 68HC12, has words for fuzzy logic instructions, flash memory; maximally modeled after v3.5E.

By Immersive Systems, Inc. Free, Forth-based, extensible, networked virtual reality software; portable, platform-independent standard for networked virtual reality (VR); fast, compact, self-contained. Free downloads.

Written in Java, so its interpreter can be embedded in a WWW HTML page and launched as an applet, to show that almost any programming language can be implemented in Java and not suffer unacceptable performance losses; documentation, downloads as a Forth Java applet.

By Miller Microcomputer Services. Forth virtual machine; standalone total software environment; traditional Forth features: compactness, flexibility, speed; many extensions with source code; unusual smoothness, support. And Forth software, books, links.

A public-domain programming system for Mac OS X. It is a native code dialect of ANS Forth with significant enhancements to the OOP model employed in Neon/Yerk.

By MicroProcessor Engineering, Ltd. Runs on Windows 9x/Me/NT/2000, targets embedded systems; VFX optimizing code generator on selected targets; flexible target memory management; standalone PowerForth target with its own compiler, interpreter.

Very efficient Forth compiler, source code loosely based on Bill Muench's bForth. For Linux, Windows NT. Generated with the META program, a free metacompiler written in Forth. Free with iForth.

Online forth interpreter implemented as Java applet.

Proprietary smartcard OS, based on tokenized version of ANSI Forth. By Keycorp, maker of smartcards, smartcard- and IP-enabled payment terminals, software for e-commerce transaction routing, secure Internet payment systems.

Programmable Brick Forth, by Hempel Design Group; replacement firmware for Lego Mindstorms: FAQ, mail list, GUI interface, and tutorial in pdf format.

Petrus Prawirodidjojo's Forth based on eforth for DOS and Windows.

Portable, public domain, ANS Forth based on kernel written in ANSI C for portability: for x86 PC, Mac, Amiga; Linux, BeOS; Sun, SGI Indys; Nokia Communicator; 3DO ARM and PowerPC, WebTV, Hitachi SH4, OpenTV prototypes, internal Lucent projects.

Incomplete Forth implementation in Perl, allowing you to access Perl from Forth.

Forth compiler for the Microchip PIC 16f87x microcontrollers family.

An implementation of Forth on the Power Macintosh. The interpreter is available as plain text source code and many example programs exist.

Free, small implementation for Macintosh, by Chris Heilman. With floating point math, apple events, and full toolbox availability, quick implementation of powerful yet small applications is easy and fast.

Based on ANSI Forth Standard, fully multithreaded, has module system, can load C objects at runtime to extend dictionary, best for embedded uses. Descriptions, history, links. [Open Source, LGPL]

Easy to port Forth kernel with deferred binding like postscript, to allow top-down design outside the assembly language core. Two major design goals for core: 400 or less lines of source, for the x86 version; and 1K or less compiled size.

Highly optimized programming environment for any Power PC running Macintosh OS: high-speed execution, flexible internal multitasking, RISC assembler gives direct access to native CPU architecture for top speed.

Very fast ANS standard Windows Forth. By MicroProcessor Engineering Ltd.

Two Frank Sergeant implementations. Pygmy Forth: small, for IBM PCs, full source code. 3-instruction Forth for 68HC11, FORML 1991 with updates.

By Mosaic Industries, Inc.: interactive interpreter, compiler, assembler, debugger speeds programming, testing. Resources callable from Forth/C: automatic system initialization, multitasking executive, heap memory manager, extensive libraries of device drivers and interrupt support routines.

Was PilotFORTH; for 3Com PalmPilot and IBM WorkPad handheld PDAs: 16-bit on-board native-code ISO/ANSI compliant Standard Forth subset compiler, compiles directly to machine language, giving far faster code than traditional threaded implementations. Full support for Palm GUI resources, seamless access to all 828 Palm OS ROM routines. Registered version allows creating fast, compact stand-alone executables, PRC's, no run-time module needed.

About 20 downloads, 9 different Forth implementations for DOS.

ANS compliant Win32 multithreaded Forth system. Released under GPL on SourceForge.

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.

Collection hForth versions.

By Triangle Digital Services. Forth development environment for embedded computer PROMs, for use with TDS2020; DOS and Windows versions; causes PC to emulate a terminal, source code displays in multiple windows, is passed to serial link.

Forth with parallel facilities for the INMOS range of Transputers. An overview, or FAQ of sorts.

Script driven translator engine: uses rules and rule sets to set how to transform input into output; used for language translating, target and meta-compiling, code verification, binary viewing, code documentation, RTF parsers and reformatters.

Open source effort to make a comprehensive development and run-time environment for industrial systems, based on Forth. Goal: develop visual IDE with CASE and project management support, code analysis, native code generation, based on portable real-time VM supporting distributed and parallel applications.

Freeware, source code: Forth interpreter written in plain C code. Originally called Allan Pratt's C-Forth, extensively rewritten, fixed a few bugs, cleaned up source for the full-screen editor (written in Forth), and re-released.

Forth-like language and environment for writing interactive Forth cross-compilers for DSPs and some other CPUs, not stand-alone programs for PCs; written in C.

By COMSOL: Computer Solutions Ltd. Allows control of full range of Windows operations, API fully accessible: creating windows, graphics, colors, fonts, text, buttons and user interfacing via dialogues, keyboard and mouse.

Free downloads of Neon/Yerk Object Oriented Forth.