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

Bootstrapping a Forth interpreter from hand-written tiny ELF binary. Just for fun.

Swapforth is a cross-platform ANS Forth

A not-so-small Forth for Cortex-M

Forth Lisp Python Continuum: A small highly dynamic self-bootstrapping language

The J1 CPU

A simple, indirect-threaded Forth, written in C; for target compiling; runs on Linux, BSD, OSX, and Cygwin

:r4 concatenative programming language with ideas from ColorForth.

Emacs clone in Forth.

cc64 is a small-C compiler written in Forth, hosted on the Commodore C64, Plus4 and C16 with 64k, and on the Commander X16. It is targeting the 6502 CPU.

Stack machine with 4-bit instructions

16-bit SUBLEQ CPU running eForth - just for fun

Inspired by Lispkit Lisp, this is a series of DIY Forths

FPGA controller for SSD1306 OLED module on SPI. Optimised for GOWIN FPGA

a x86_64 forth implemented in forth