Forth Forth

Open-source Forth projects categorized as Forth

Top 19 Forth Forth Projects

  • Mako

    A simple virtual game console (by JohnEarnest)

  • lbForth

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

    Project mention: What's the simplest language to implement? | | 2022-03-25

    Forth compiler in 159 lines of Lisp and C

  • SonarQube

    Static code analysis for 29 languages.. Your projects are multi-language. So is SonarQube analysis. Find Bugs, Vulnerabilities, Security Hotspots, and Code Smells so you can release quality code every time. Get started analyzing your projects today for free.

  • swapforth

    Swapforth is a cross-platform ANS Forth

    Project mention: FPGAs for interpreted programming languages? | | 2022-11-25
  • durexforth

    Modern C64 Forth

    Project mention: A Brief Introduction to DurexForth for the Commodore 64 | | 2023-01-09

    An actively developed version of Forth for the Commodore 64, based on the Forth 2012 core standard.

  • gforth

    Gforth mirror on GitHub (original is on Savannah)

    Project mention: What forth implementation could be a good pick for writing a texteditor? | | 2022-12-02

    I don't know the status of gforth's 'minos2' offering but I see a mention of X11 which is a promising sight for Linux GUI work.

  • r4

    :r4 concatenative programming language with ideas from ColorForth.

    Project mention: x-in-y lines - Succintly written (<1000 non-obfuscated loc), fully-functional software in any language. | | 2022-08-18

    almost all my codes in and have less 1000 lines, but all forth have code with minimun lines of code

  • miniforth

    A bootsector FORTH

  • InfluxDB

    Build time-series-based applications quickly and at scale.. InfluxDB is the Time Series Platform where developers build real-time applications for analytics, IoT and cloud-native services. Easy to start, it is available in the cloud or on-premises.

  • zeptoforth

    A not-so-small Forth for Cortex-M

    Project mention: zeptoforth 0.45.0 out including SDHC/SDXC and FAT32 support | | 2022-09-15

    The release itself is at

  • cc64

    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.

  • worms

    source code for Worms? by David S. Maynard

  • TclForth

    Multi-platform desktop Forth based on Tcl/Tk

  • VolksForth

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

    Project mention: Volksforth – A Forth for Retro Computers | | 2022-08-18

    | git clone

  • openfirmware

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

    Project mention: WAForth (WASM-based ANS Forth) supports interactive "notebooks" in VSCode | | 2022-12-14
  • r3d4

    r3 programing language for 64 bits Windows/Linux/Mac/Rasberry Pi 4

    Project mention: Seeking some advice on creating yet another Forth... | | 2022-10-01
  • subleq

    16-bit SUBLEQ CPU running eForth - just for fun

    Project mention: Show HN: Computing with just one instruction – Forth on SUBLEQ | | 2023-01-01
  • spf


    Project mention: Open Source Forth Systems With First Class Preemptive Multitasking? | | 2022-07-02

    SP-Forth/4 is an open source 32bit Forth system that runs on Windows and on Linux.

  • may4

    Celebrating Star Wars Day with some Forth code! May the Forth be with you!


    Indirect threaded code version of CAMEL99 Forth for TI-99 computer

    Project mention: Nurses or curses from forth? | | 2022-12-21
  • gforth-raylib

    Raylib 3.5 bindings for Gforth. The name is backwards for obvious reasons.

  • SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2023-01-09.

Forth Forth related posts


What are some of the best open-source Forth projects in Forth? This list will help you:

Project Stars
1 Mako 523
2 lbForth 377
3 swapforth 251
4 durexforth 192
5 gforth 115
6 r4 106
7 miniforth 97
8 zeptoforth 87
9 cc64 76
10 worms 71
11 TclForth 58
12 VolksForth 53
13 openfirmware 48
14 r3d4 45
15 subleq 41
16 spf 37
17 may4 29
18 CAMEL99-ITC 21
19 gforth-raylib 13
SaaSHub - Software Alternatives and Reviews
SaaSHub helps you find the best software and product alternatives