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  1. A simple virtual game console

    Forth 387 32 Built by @JohnEarnest @rmmh @adhithyan15 @cpressey @pikhq
  2. Forth inspired programming language for the ESP8266

    Forth 284 33 Built by @zeroflag @link2xt @gpummer @hartzell @GerardSontag
  3. A server-side web framework written in Forth.

    Forth 271 6 Built by @urlysses
  4. Self-hosting metacompiled Forth, bootstrapping from a few lines of C; targets Linux, Windows, ARM, RISC-V, 68000, PDP-11, asm.js.

    Forth 206 39 Built by @larsbrinkhoff @pipcet @johanlindberg
  5. a tiny self-hosted Forth implementation

    Forth 185 13 Built by @kragen @ap @jaens @larsbrinkhoff
  6. Swapforth is a cross-platform ANS Forth

    Forth 178 35 Built by @jamesbowman @RGD2 @combinatorylogic
  7. A straightforward standalone Forth implementation for x86.

    Forth 92 12 Built by @davazp @rain-1 @baconwaifu
  8. The J1 CPU

    Forth 80 19 Built by @jamesbowman @stacksmith
  9. libforth: A small Forth interpreter that can be used as a library written in c99

    Forth 74 12 Built by @howerj
  10. Modern C64 Forth

    Forth 72 10 Built by @jkotlinski @cminter
  11. Emacs clone in Forth.

    Forth 67 9 Built by @larsbrinkhoff @pipcet
  12. :r4 concatenative programming language with ideas from ColorForth.

    Forth 65 2 Built by @phreda4 @elzibus
  13. A simple, indirect-threaded Forth, written in C; for target compiling; runs on Linux, BSD, OSX, and Cygwin

    Forth 61 17 Built by @nimblemachines @rthelen @dgs @larsbrinkhoff
  14. Gforth mirror on GitHub (original is on Savannah)

    Forth 55 7 Built by @forthy42 @AntonErtl @GeraldWodni @larsbrinkhoff @earl
  15. Forth 43 39 Built by @M2IHP13-admin @pablooliveira @flx42 @larsbrinkhoff
  16. Forth Lisp Python Continuum: A small highly dynamic self-bootstrapping language

    Forth 41 1 Built by @asrp @paralax
  17. Forth 39 6
  18. Hierarchical Music Specification Language, Forth tools for experimental music from the 1980's

    Forth 38 6 Built by @andrewcsmith @philburk
  19. Advanced and very powerful scheduler, scripting tool and automation manager

    Forth 38 8 Built by @VoidVolker @larsbrinkhoff @gitter-badger
  20. Multi-platform desktop Forth based on Tcl/Tk

    Forth 35 4 Built by @wejgaard
  21. Mecrisp-Stellaris Forth Plus Extra Goodies

    Forth 34 6 Built by @hexagon5un @zdavkeos
  22. A general purpose Forth library

    Forth 34 9 Built by @irdvo
  23. A simple, non-standard, tethered Forth for the Arduino; including several steno keyboard applications, the most recent of which is stenomod16. The same firmware was used by the original TinyMod, but has been replaced with C code in order to use USB HID.

    Forth 32 4 Built by @CharleyShattuck
  24. Synthesis-Aided Compiler for GreenArrays GA144

    Forth 32 2 Built by @mangpo @mschuldt @rohinmshah @jn80842
  25. Stack machine with 4-bit instructions

    Forth 30 2 Built by @larsbrinkhoff
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