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pyformlang

A python library to manipulate formal languages and various automata

aalpy

An Automata Learning Library Written in Python

liblet

A teaching aid library for formal languages and compiler courses

tree-sitter-agda

Agda grammar for tree-sitter

suomilog

A tool for parsing context-free grammars with morphological information (mainly for the Finnish language)

nangram

Small little context-free expression generator and parser using user provided EBNF-like source.

grammar-guide

Speculative grammar backtracking algorithm for LLM decoding conforming to some lark context-free grammar (CFG)

sublime-from-cfg

Generate a Sublime Text syntax definition for a context-free grammar

dhgraph

Python Module for Directed Hypergraphs

spag

A module containing scanner (regular expression) and parser (BNF) compilers as well as a base generator, which provides protection and validation, from which all target language generators must inherit from. A script is also included which reads the respective specification(s) from file and outputs the resulting code to disk.

wrlparser

Python library to parse VRML files (.wrl)

parsing-toys

An educational tool for visualizing Context-Free Grammar (CFG) parsing algorithms.

word-mover-grammar

A constituency grammar parser with support of morphology and word embeddings