Forth

Forth is a language with token-oriented syntax and stack-based execution semantics. It has proven to be most successful in embedded real-time control systems.

Links of Relevance

A Forth200x standard, also in PDF

The ANS Forth standard (1994). Also here, and a PDF version

The Forth-83 standard

The home page of the former Forth Interest Group (FIG)

ForthHub: Forth enthusiasts at GitHub

ForthFreak: short info on a number of Forth-based projects

A collection of Forth information

A beginner’s guide to Forth

Articles on Forth’s philosophy and use as an embedded language in high performance chips

FORTH – A Language for Interactive computing (also scanned): Charles Moore’s 1970 article that made the language known to the world

Forth – the early years, by Charles Moore

The evolution of Forth: a detailed history of the language

Overviews of Machine Forth and colorForth, and an example of the latter (see below for colorForth)

Forth: an underview (an introduction to the language, its method and philosophy)

Books freely available online:

Starting Forth by Leo Brodie: an online, updated version of a formerly printed book.
        Also here. And a PDF of the original book

A reconstructed version of Thinking Forth by Leo Brodie

Programming Forth

Programming a problem-oriented language by C. Moore

And so Forth …

Stack computers (not just Forth)

Freely available implementations:

Gforth: the GNU implementation of ANS Forth

SP-Forth: an implementation of ANS Forth

pForth: a portable ANS Forth

ATLAST: a Forth-83 style scripting language, formerly used in AutoCAD

Ficl: an embeddable interpreter to be used as a scripting or macro language

4tH: a compiler

8th: a programming platform with rich infrastructure (a free version available)

VFX: a compiler and interpreter (a free version available)

Retro: a small, adaptable Forth; also here

volksFORTH: an 8- and 16-bit Forth system

colorForth: C. Moore’s current dialect of Forth; a version for Windows

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