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Original author(s)Bernd Paysan
Anton Ertl
Developer(s)GNU Project
Initial releasemid-1992; 32 years ago (1992)[1]
Stable release
0.7.3[2] Edit this on Wikidata / 14 June 2014; 10 years ago (14 June 2014)
Preview release
0.7.9_20200213 / February 13, 2020; 4 years ago (2020-02-13)
Written inC, Forth
Operating systemUnix-like, Windows, MS-DOS, OS/2
LicenseGNU GPLv3

Gforth is a free and portable implementation of the Forth programming language for Unix-like systems, Microsoft Windows, and other operating systems. A primary goal of Gforth is to adhere to the ANS Forth standard. Gforth is free software as part of the GNU Project.[3]


The Gforth project was started in mid-1992 by Bernd Paysan and Anton Ertl. Gforth descends from bigFORTH and fig-Forth[1][4][5] Gforth is fully ANS FORTH compliant.[3]


  1. ^ a b "Origin - Gforth Manual". complang.tuwien.ac.at. 2 November 2008. Retrieved 26 September 2022.
  2. ^ "Gforth - GNU Project - Free Software Foundation". Retrieved 10 February 2024.
  3. ^ a b directory.fsf.org, ed. (14 June 2014). "GNU Forth". Free Software Foundation. {{cite web}}: |editor= has generic name (help)
  4. ^ "bigFORTH Forth System+MINOS GUI in Forth". bigforth.sourceforge.net.
  5. ^ "The Last Fig-Forth Ever". home.hccnet.nl.

External links[edit]