A simple virtual game console

Self-hosting metacompiled Forth, bootstrapping from a few lines of C; targets Linux, Windows, ARM, RISC-V, 68000, PDP-11, asm.js.

Forth inspired programming language for the ESP8266

Swapforth is a cross-platform ANS Forth

Gforth mirror on GitHub (original is on Savannah)

OpenFirmware as used on OLPC (and elsewhere)

Advanced and very powerful scheduler, scripting tool and automation manager

Test programs for Forth 2012 and ANS Forth

volksFORTH is a 16bit Forth System maintained by the German Forth Gesellschaft e.V.

Open Firmware (IEE1275-1994) implementation by its inventor.

Experimental Forth cross compiler for tiny devices

A generic system for creating i86 implementations of the language Forth.

A Forth dialect implementation for educational purposes

SP-Forth

The advanced FORTH environment in web, written in javascript. Works in browser and in Node.JS. 100% ANS 94 compatible, SP-FORTH compatible.

Minimal Forth Workbench provides an educational subset of Standard Forth, feel free to experiment.

Standard Forth system for ZX Spectrum 128 and compatible computers, with disk drives.

A forth (gforth specifically) package for sound synthesis

Arm (Thumb2) Linux Forth Compiler

SP-Forth x64

forth-assembler for AVR

r4 Virtual Machine in many version, last is "r4wine2" for win, "r4a" is android.

a x86_64 forth implemented in forth

Swapforth is a cross-platform ANS Forth