New Grammarian's Tutorial, based on the module system (unfinished). More up-to-date but less detailed than the next one.
Old Grammarian's Tutorial on writing GF grammars, with exercises.
Module system document, complements the JFP paper by a description of the module system.
User Manual explaining the GF user interfaces and command language (slightly outdated).
Editor User Manual on editing in the Java interface.
Syntax specification (pdf) of the GF grammar formalism. Generated by the BNF Converter from the same source as the language parser.
Syntax specification of GFC (pdf), the low-level formalism to which GF is compiled. Generated by the BNF Converter from the same source as the language parser.
Resource grammar library document (v 0.9).
Resource grammar writing HOWTO document in progress (forthcoming API v 1.0).
Embedded GF Interpreter manual for using GF grammars in Java programs.
The GF Transfer language document.
Expressivity and Complexity of the Grammatical Framework, PhD Thesis by Peter Ljunglöf.
Slides on GF theory and implementation given at INRIA Rocquencourt in December 2003.
Slides on multilingual grammar engineering and some examples of using the modules system of GF 2.0.
Embedded grammars, Master's thesis by Björn Bringert
Demo film of a multimodal dialogue system built with embedded grammars.
GFCC (pdf): report on a compiler from a fragment of C to JVM, written in GF.