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 parser generator for visibly pushdown languages.

Command pigeon generates parsers in Go from a PEG grammar.

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

a parser and lexer generator as a Rust procedural macro

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

Symbolic parser generator for Julia language expressions using REDUCE algebra term rewriter

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

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

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

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

PEGs for Nim, another take

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

Nice parsers in OCaml without the boilerplate

Lexer Generator and Parser Generator as a Library in Nim.

A small and easy to use parser generator. Specify your grammar in pure java and compile dynamically. Especially suitable for DSL creation in java.

Generates generalised LL (GLL) parsers with matching lexers

EBNF parser and generic parser generator for Ruby.

ANTLR as a libray for JVM based languages

Grammatica is a C# and Java parser generator (compiler compiler)

GNU Bison

Plugin for pegjs to generate TypeScript parsers.

Convenient parser generator for Python(check out https://github.com/thautwarm/RBNF for an advanced version).

⛹ Write Grammars for the Nearley Parser!

Generates Elm types, JSON decoders, JSON encoders and fuzz tests from JSON schema specifications