Trending Forth Projects

This page lists the top trending Forth projects based on the growth of GitHub stars.
It is updated once every day. The last update was on 23 Jun 2025.
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Top 21 Trending Forth Projects

  1. zeptoforth

    A not-so-small Forth for Cortex-M

  2. muforth

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

  3. lbForth

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

  4. milliForth

    A FORTH in 340 bytes — the smallest real programming language ever as of yet.

  5. UnrealTournamentPatches

  6. miniforth

    A bootsector FORTH

  7. gforth

    Gforth mirror on GitHub (original is on Savannah)

  8. planckforth

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

  9. j1

    The J1 CPU (by jamesbowman)

  10. 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.

  11. stoneknifeforth

    a tiny self-hosted Forth implementation

  12. flpc

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

  13. eulex

    A straightforward standalone Forth implementation for x86.

  14. r4

    :r4 concatenative programming language with ideas from ColorForth.

  15. swapforth

    Swapforth is a cross-platform ANS Forth

  16. durexforth

    Modern C64 Forth

  17. forthlisp

    A Small Lisp in Forth

  18. Mako

    A simple virtual game console (by JohnEarnest)

  19. RayTracer

    Ray tracer with phong lighting, reflections, refractions, normal mapping, procedural textures, super sampling, and depth of field. (by marczych)

  20. openfirmware

    OpenFirmware as used on OLPC (and elsewhere)

  21. common-3d-test-models

    Repository containing common 3D test models in original format with original source if known and obj mesh

ABOUT: The growth percentage is calculated as the increase in the number of stars compared to the previous month. We list only projects that have at least 500 stars and a GitHub organization logo set.

Index

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

Project Growth
1 zeptoforth 8.9%
2 muforth 2.8%
3 lbForth 2.6%
4 milliForth 2.2%
5 UnrealTournamentPatches 2.1%
6 miniforth 2.1%
7 gforth 1.8%
8 planckforth 1.7%
9 j1 1.2%
10 cc64 1.0%
11 stoneknifeforth 0.9%
12 flpc 0.9%
13 eulex 0.8%
14 r4 0.8%
15 swapforth 0.7%
16 durexforth 0.4%
17 forthlisp 0.0%
18 Mako 0.0%
19 RayTracer 0.0%
20 openfirmware 0.0%
21 common-3d-test-models 0.0%

Did you know that Forth is
the 80th most popular programming language
based on number of references?

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