Grammatical Framework - Grammar language

Grammatical Framework is a grammar language created in 1998.

#1162on PLDB

25Years Old

624kRepos

Grammatical Framework (GF) is a programming language for writing grammars of natural languages. GF is capable of parsing and generating texts in several languages simultaneously while working from a language-independent representation of meaning. Grammars written in GF can be compiled into different formats including JavaScript and Java and can be reused as software components. Read more on Wikipedia...

Grammatical Framework Wikipedia page
There are at least 624,169 Grammatical Framework repos on GitHub
Grammatical Framework first developed in Xerox Research Centre Europe
file extensions for Grammatical Framework include gf
The Google BigQuery Public Dataset GitHub snapshot shows 32 users using Grammatical Framework in 37 repos on GitHub
GitHub supports syntax highlighting for Grammatical Framework
See also: (2 related languages)JavaScript, Java

Example from Linguist:

--# -path=.:present

-- (c) 2009 Aarne Ranta under LGPL

concrete FoodsFin of Foods = FoodsI with 
  (Syntax = SyntaxFin),
  (LexFoods = LexFoodsFin) ;

Example from Wikipedia:

> parse -lang=Fre "Marie aime Jean" | align_words -lang=Fre,Dut,Lat -view="eog"