grammars

A library and language for building parsers, interpreters, compilers, etc.

Parser Building Toolkit for JavaScript

BNF wrangling and railroad diagrams

Dragonfly-Based Voice Programming and Accessibility Toolkit

Python Kaldi speech recognition with grammars that can be set active/inactive dynamically at decode-time

como-lang-ng is now ana-lang, located at https://github.com/analang/ana

💡 Build your own programming language! A C++17 PEG parser generator supporting parser combination, memoization, left-recursion and context-dependent grammars.

JavaScript library for working with automata and grammars for regular and context-free languages

Simple, effective, and modular package for parsing observables (indicators of compromise (IOCs), network data, and other, security related information) from text. It uses grammars rather than regexes which makes it more readable, maintainable, and hackable. Explore our interactive documentation here: https://hightower.space/ioc-finder/

A Java parser combinator library written with an unmatched feature set.

An IDE for the Ohm language (JavaScript edition)

GramTest: A tool for Grammar based Test case generation

The ISLa (Input Specification Language) language & solver.

A Ruby library for generating text with recursive template grammars.

📑 🔌 Ren'Py package for Atom and Linguist Grammars

Quick explanation of eliminating left recursion in Haskell parsers

Grammars suitable for lark parser and Hypothesis

Finite-state script normalization and processing utilities

The Parser Construction Kit ("Puck"): A Parser Generator and Grammar Translator in C#

Morphological and syntactic analysis of Esperanto sentences