The Elegant Parser
Runtime library for parsers generated by LALRPOP
pest's derive macro
Unicode Plural Rules categorizer for numeric input
Language for Rust
LR grammar table generation
A language server for Pest
Grammar manipulation
manipulating context-free grammars
Rust bindings to the Tree-sitter parsing library (vendored for arborium WASM support)
Yacc-compatible parser generator
A code highlighter giving the same output as VSCode
A package for defining tree-sitter grammars alongside Rust logic
Get the indefinite article ('a' or 'an') to match the given word. For example: an umbrella, a user.
Yacc grammar debugging tool
Checks all doc comments for spelling mistakes
A grep-like tool which understands source code syntax and allows for manipulation in addition to search
Parser and serializer generator for protocol binary packets
A high-performance, layered charting system for Rust, featuring a flexible data core and multi-backend rendering
Prefix a noun with an indefinite article - a or an - based on whether it begins with a vowel
Parser, formatter, validator, and language server for SQLite SQL — built on SQLite's own grammar
A DSL for describing concrete syntax trees
Zig language plugin for sqry
Command line interface to build static regular grammars
Compiler for Plotnik query language (parser, analyzer, bytecode emitter)
Zero-copy parser combinator library for Rust
working with GBNF
A framework for processing the output of a pest-generated parser
pest popular grammar implementations
A statically typed version of pest
weggli is a fast and robust semantic search tool for C and C++ codebases. It is designed to help security researchers identify interesting functionality in large codebases.
Canonical Grammar IR for the BBNF compiler pipeline
Small proc macro grammar- and parser-generator providing great UX
A command line data manipulation tool inspired by the dplyr grammar
building parsers and grammars
Unified syntax highlighting for arborium - works with both static Rust grammars and WASM plugins
Join string slices with Oxford Commas!
PDL's runtime library
The external tool for Rust Sitter that extracts grammars from Rust definitions
A Parsing Expression Grammar (PEG) parser generator with zero-copy parsing and rich debugging capabilities
Grammar-driven pretty printers auto-generated from BBNF grammars
A TUI to explore theoretical computer science topics
Efficient, Flexible and Portable Structured Generation for Rust - Rust bindings for XGrammar
Pure analysis logic for BBNF grammars (shared by LSP + WASM)
Derive macro for static regular grammar
Predicated Recursive Descent Parsing with BNF and impure hooks
The language checker for developers
Quality gate tooling for building-in-the-open artifacts
A flexible, cached parser combinator framework for Rust
ergonomic code generation for aggregating tree-sitter languages
Language Server Protocol implementation for ADL
GBNF grammar-constrained decoding for LLM inference, ported from llama.cpp
Tree-sitter integration helpers for sqry
A compiler compiler for Rust implementing Earley's parser
A declarative visualization language that extends SQL with powerful data visualization capabilities
A parser generator for Rust that compiles EBNF-like grammars into syn::parse::Parse implementations
Profile-aware reporting helpers for BDD governance status outputs
Vendored ruff_python_parser for littrs (from github.com/astral-sh/ruff)
Static regular grammar builder
Rust runtime for Grammatical Framework
non-recursive grammars
Derive macro to define safe wrappers around string types
Convert ABNF like grammar to rust-peg build rowan lossless syntax tree
rowan
Application Programming Interface to load and interpret grammars compiled in Portable Grammar Format (PGF). The PGF format is produced as a final output from the GF compiler. The library…
pest grammar debugger
X12 transaction set grammars and schema definitions
Multi-language AST parser with language detection
Tree-sitter parsing and file discovery for Seshat
Evolutionary Coverage-guided Fuzzing engine
A derivation engine for CGA Shape Grammars
Define tree-sitter grammars alongside Rust logic with AST-first parsing
LR(1) parser generator
constraining language model outputs to follow CFG, REGEX and JSON (experimental)
Command-line interface for ggsql
GLR parser generation algorithms for pure-Rust Tree-sitter
Rustik code highlighter
Rialo Syngen DSL
Spanish grammar layer for the Prosaic NLG engine
Generate vi compatible tags for multiple languages
A tiny (bytecode compiled, stack VM interpreted) expression language for reqlang's templating engine
Interactive side-by-side git diff viewer for PR review
Tree-sitter based polyglot parser for Qryon
representing and transforming formal grammars (Chomsky hierarchy today; extensible toward attribute, probabilistic, and specialized grammars)
A minimalist parser generator for Rust
Domain Specific Language for legal document parsing
English grammar implementation for the prosaic crate
Generalized prefix parsing for a class of context-dependent languages
Grammar for the Hornbeam template language
common language for advance parsers
Homey Rust bindings for the tree-sitter C library
German grammar layer for the Prosaic NLG engine
Bison skeleton for Rust
port of the Calyx generative grammar library
Code fact extraction and storage library
Grammar-aware payload mutation engine — SQL, XSS, CMD, LDAP, SSRF, path traversal, SSTI
Compiler-facing resolver and grammar integration surface for Gritpack
parser for reading football match lines(date, time, teams, score, stadium, and status) and converting them into structured data
Shared expansion and grammar logic for Krust Sitter
A command-line tool for checking grammars from textual .cfg files
parses strings of logical expression using pest crate. It returns a truth table showing all input combinations with corresponding output results.
pest
A reusable library for procedural text generation in games
pest parser for Java Spring controllers
LeekScript parser core: syntax, grammar, parser, preprocess, doc comments
A stateful parser generator
string interner used by LALRPOP
Parses Swamp programming language source code into an Abstract Syntax Tree (AST) defined in the swamp-ast crate, using the pest parsing library
swamp-ast
Parsing Expression Grammar (PEG) parser generator
A parser generator using ANTLR grammar syntax, outputting to Rust, Go, TypeScript, Python, Java, C, C++, and Tree-sitter
Locates, builds, and loads tree-sitter grammars at runtime
Hotkey / keybinding matcher (mod+shift+l grammar + IME fallback) for devup-editor
mod+shift+l
efficient expression and byte sequence generator for fuzz testing
recoverable, pull-based parsers with precise errors
Pure parser backend selection primitives
Tree-sitter full-AST parsers and emitters for panproto language protocols
A trait for values that can be cloned with a static lifetime
Fast, accurate SQLite SQL formatter, validator, and language server — built on SQLite's own grammar
Create graphs from lookahead DFAs generated by parol
parol
The Nautilus grammartec
parsing and validating container image references
Automatic Grammar Lifting with Assisted Entity Annotation
Parser-lexer fusion generator (derivative lexer)
A fast, low-resource Natural Language Processing and Error Correction library
Tree-sitter ObjectScript highlight spans as attr/start/end tuples
Core BDD grid contracts for parser progress reporting and feature-aware status tracking
clear way of hosting llama.cpp as a private HTTP API
All tree-sitter grammars for tokensave (47 languages)
Essential tree-sitter grammars for tokensave (7 languages)
LeekScript semantic analysis: scope, validation, type checking
A PEG parser combinator library for Rust. Write parsers that look like grammars.
Core BDD scenario status/types shared across governance and reporting crates
Procedural macros for the Gazelle parser generator
TypeScript syntax highlighting module for reovim
Core BDD governance matrix primitives composed with parser feature policies
Intermediate representation for the Hornbeam template language
Core parser feature-policy contracts shared by governance layers
Language Server Protocol implementation for Gram (.gram) files
Internal codegen and build tools for syntaqlite — not intended for direct use
Jupyter kernel for ggsql
Unified gram CLI and library for validating gram notation
Shared model and parser for syn-grammar
C syntax highlighting module for reovim
Parser for VPL language
Bash syntax highlighting module for reovim
A tiny crate that helps convert ABNF grammars to pest
Runtime for Rust parsers generated by the parsuna framework
A collection of useful tools for Bevy game engine
efficient, compiled programming language
fast and robust semantic search tool for C and C++ codebases. It is designed to help security researchers identify interesting functionality in large codebases.
parsing tool
Text-expansion library
A derive based parser generator
Python syntax highlighting module for reovim
Utils for rowan-peg
Grammar Intermediate Representation for pure-Rust Tree-sitter
distributed SQL query engine
markdown parser written on Rust
Tree-sitter parsing and dynamic grammar loading for graphy
parser for html files to extract tags, child tags, attributes, etc
Safe FFI wrapper for loading tree-sitter grammars from shared libraries
A typed parser generator syntax extension for Parsing Expression Grammar (PEG)
Parser-lexer fusion generator (compiler interface)
growing simple, but beautiful AST trees 🌳
Parser for twitter-text in Rust
Runtime support library for parsers generated by syn-grammar
OMG IDL v4.0 grammar for pest
Highly-flexible data-oriented NLP framework
Table generation backend for LR parser generators
interpreted language
A third-party cargo extension for checking grammar in the documentation and comments
tools for generating strings and sequences using context-free grammars
procedurally generating content using L-Systems
Compose once, chart anywhere with the pure Rust grammar of graphics crate gguppy
tree-sitter grammars built from Helix with support for dynamic linking
Try searching with DuckDuckGo.
Thin wrapper: alex-pinkus/tree-sitter-swift grammar compiled against tree-sitter 0.22
was developed as a part of the Rust course at National University of "Kyiv-Mohyla Academy"
Extended CSS grammar for the Svelte toolchain
Tree-sitter multi-language parser for repoask
allows you to check your texts for grammar using the grammarbot service
Token tree calling convention
Generic LSystem implementation
Parsing engine for sipha - grammar rules, parser state, and parsing logic
GLL parsing framework
URL Parser is a Rust parser developed to parse URLs into structured components such as scheme, domain, path, query and fragment
An Earley parser engine
Common tree-sitter grammars for tokensave (18 languages)
Create dozens/hundreds/thousands/millions of random examples based on a pest grammar (PEG). It can be used for generate string/structured data for training models in AI, or like a grammar fuzzer for find bugs.
The SQL Parser CLI is a command-line tool designed to parse and analyze SQL SELECT queries
Parsers and interpreters for theoretical computer science topics
Parser that converts simple XML language text to a string in JSON format written on Rust
Markdown syntax highlighting module for reovim
Universal index
allows you to check your texts for grammar using the grammarly service
TypeQL Grammar for Rust
A parser for medical-data markup in an XML-like format
Dice Roller
Lightweight Japanese conjugation reversal (deinflection) system
convenient LR(1) parser generator
port of Berkeley YACC to Rust, and allows you to write grammar definitions directly in Rust source code
LR(1) parser generator library
A customizable converter from EBNF into BNF grammars
Shared .parsetable metadata model and parsing helpers
A language for defining languages
Shopping-list parser for edu purposes
A Shell built around a semantic grammar
Tree-sitter based syntax driver implementation for reovim
Rust parser for person struct
TL language grammar
XML parser implemented in Rust using the Pest parser generator