Gforth

A free, fast, featureful and portable implementation of the Forth 2012 language.

\ a comment followed by the shortest quine
source type

\ another shorty, hello world looks like that
." hello world"

\ tell me, what else can we do? ask the system itself!
words \ this will yield all defined words

Download / Install

0.7.3 (Latest release)

Bleeding Edge snapshot

Build from Tarball
wget https://www.complang.tuwien.ac.at/forth/gforth/Snapshots/current/gforth.tar.xz
tar xvfJ gforth.tar.xz
cd gforth-*
./install-deps.sh
./configure
make
sudo make install

Git repository
git clone https://git.savannah.gnu.org/git/gforth/
cd gforth
./install-deps.sh
./autogen.sh
./configure
make
sudo make install

See INSTALL.md for further details

Debian
Depending on your distribution use oldstable, stable or unstable instead oftesting. Reason: broken libc.

  1. Obtain the pubkey: wget -O - https://net2o.de/bernd@net2o.de-yubikey.pgp.asc | apt-key add -
  2. Add repository: place the following line into /etc/apt/sources.list.d/gforth.list:
    deb [arch=i386,amd64,armhf,armel,arm64,powerpc,mips,mipsel,all] https://net2o.de/debian testing main
  3. Update apt: apt-get update
  4. Install gforth: apt-get install gforth

Docker
docker run -it --rm rundockerforth/gforth-alpine
or
podman run -it --rm rundockerforth/gforth-alpine

Supported systems

Gforth runs under GNU, BSD, and similar systems, MS Windows and MacOS X and should not be hard to port to other systems supported by GCC. Version 0.7.9_20160714 has been tested successfully on the following platforms:

GNU/Linux

amd64
arm64
armel
armhf
i386
mips
mipsel
powerpc

Android/Linux

Gforth on Android

amd64
arm64
arm
i386
mips

Gforth EC(embedded)

r8c
4stack
misc
8086

Windows

amd64
i386

MacOS

amd64
i386

Related links

Free Software Directory
Forth Standard

Read about the Language and find communities

the Forth Net

Forth package repository

Contact

gforth@gnu.org

Mailing List

comp.lang.forth

Ancient, yet highly active news group.

Authors

  • Anton Ertl Project initiator, C based primitives, locals, gray, manual, Release manager, GNU maintainer
  • Bernd Paysan Project leader, kernel, cross compiler, non-Unix ports based on GCC, Release manager, GNU maintainer
  • Gerald Wodni SWIG module for C libraries
  • David Kühling Emacs integration
  • Jens Wilke Embedded Control versions (non-gcc), decompiler, cross compiler refinement
  • Neal Crook manual, glossary entries