ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.

PEG.js: Parser generator for JavaScript

LR(1) parser generator for Rust

Parsing Expression Grammar (PEG) parser generator for Rust

A single file C++ header-only PEG (Parsing Expression Grammars) library

Command pigeon generates parsers in Go from a PEG grammar.

A parser generator for visibly pushdown languages.

BNF Converter

Racc is an LALR(1) parser generator. It is written in Ruby itself, and generates ruby programs.

An IntelliJ plugin for ANTLR v4

Compile Time Parser Generator is a C++ single header library which takes a language description as a C++ code and turns it into a LR1 table parser with a deterministic finite automaton lexical analyzer, all in compile time.

The implementation of the Rascal meta-programming language (including interpreter, type checker, parser generator, compiler and JVM based run-time system)

竜 TatSu generates Python parsers from grammars in a variation of EBNF

a parser and lexer generator as a Rust procedural macro

a C# embeddable lexer and parser generator (.Net core)

A script language of time-sharing scheduling coroutine in single thread

A parser generator for C

GNU Bison

PEGs for Nim, another take

The magical sticky regex-based parser generator 🧙

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

Symbolic parser for Julia language term rewriting using REDUCE algebra

Lego AI Parser is an open-source application that uses OpenAI to parse visible text of HTML elements.

Generates generalised LL (GLL) and reduced size LR(1) parsers with matching lexers

The Zephir Parser delivered as a C extension for the PHP language.

Resilient LL(1) parser generator for Rust

Home of LoycCore, the LES language of Loyc trees, the Enhanced C# parser, the LeMP macro preprocessor, and the LLLPG parser generator.

Plugin for pegjs to generate TypeScript parsers.

A modified version of the Irony project (https://irony.codeplex.com) with .NET Core support

The prettier pattern-matching parser with automatic error recovery