#parser

Signatures for entire Python programs. Extract the structure, the frame, the skeleton of your project, to generate API documentation or find breaking changes in your API.

Transforms complex documents like PDFs and Office docs into LLM-ready markdown/JSON for your Agentic workflows.

PostCSS Tools and Plugins

An extended commonmark compliant parser, with bridges to docutils/sphinx

☁️ The fastest HTML to markdown convertor on GitHub. Optimized for LLMs and supports streaming.

JavaScript YAML parser and dumper. Very fast.

The Elegant Parser

Comprehensive tooling for working with OpenAPI definitions.

PHP library to read and extract text & images from PDFs - Fast & Low memory - Built from scratch

Type-safe combinatorial CLI parser for TypeScript

Command line parsing, invocation, and rendering of terminal output.

A unified, high-performance i18next CLI.

Markdown parser, done right. 100% CommonMark support, extensions, syntax plugins & high speed

A 100% compliant, self-hosted javascript parser - https://meriyah.github.io/meriyah

libopenapi is a fully featured, high performance OpenAPI 3.2, 3.1, 3.0, Overlays and Arazzo parser, library, validator and toolkit for go applications.

Resolving Swagger/OpenAPI 2.0 and 3.0 Parser

YamlDotNet is a .NET library for YAML

A validating SQL lexer and parser with a focus on MySQL dialect.

Get and validate the raw body of a readable stream

Generate changelogs and release notes from a project's commit messages and metadata.

Parse and execute ipynb files in Sphinx

📝 Markdown and HTML renderer for Svelte 5 — built for streaming AI agent output from Claude Code, ChatGPT, and agentic workflows. XSS-safe defaults, token caching, TypeScript types.

A pure Rust Excel/OpenDocument SpreadSheets file reader: rust on metal sheets

Kong is a command-line parser for Go

Up to 100x faster strings for C, C++, CUDA, Python, Rust, Swift, JS, & Go, leveraging NEON, AVX2, AVX-512, SVE, GPGPU, & SWAR to accelerate search, hashing, sorting, edit distances, sketches, and memory ops 🦖

A high-performance Markdown parser and renderer for Angular, React, Svelte, Vue, HTML and ANSI.

A markdown parser with high extensibility.

A doc comment standard for TypeScript

Astro component parser for ESLint

An extremely fast CSS parser, transformer, bundler, and minifier written in Rust.