Portable Forth in C

First published Open Source implementation of OpenFirmware

zForth: tiny, embeddable, flexible, compact Forth scripting language for embedded systems

libforth: A small Forth interpreter that can be used as a library written in c99

Reversed engineered game Starflight (1986)

A human readable quasi-concatenative programming language

A bare-metal x86 Forth interpreter & compiler

C development system for (Nitr)OS9/6x09, with source

Inspired by Chuck Moore's "Machine Forth"

Mecrisp-Stellaris Forth for the STM32 Cube ecosystem.

Forth for ESP-8266

Modular soft synth & Forth based VM for audio DSL experiments aimed at embedded devices

Programs for the FOMU, DE10NANO and ULX3S FPGA boards, written in Silice https://github.com/sylefeb/Silice

Atari XL/XE SD cartridge

Forth system by C

Simple hobby POSIX-compatible OS for i8086+

ainsuForth - generalized - all targets, including SAMD51 M4 - experimental

Simple forth environment written in 2002

dclang, an RPN language descending from dc and forth.