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

jsoup: Java HTML Parser, with best of DOM, CSS, and jquery

A querystring parser with nesting support

Parse and stringify URL query strings

Markdown parser, done right. Commonmark support, extensions, syntax plugins, high speed - all in one. Gulp and metalsmith plugins available. Used by Facebook, Docusaurus and many others! Use https://github.com/breakdance/breakdance for HTML-to-markdown conversion. Use https://github.com/jonschlinkert/markdown-toc to generate a table of contents.

Rust parser combinator framework

SwiftSoup: Pure Swift HTML Parser, with best of DOM, CSS, and jquery (Supports Linux, iOS, Mac, tvOS, watchOS)

jQuery Terminal Emulator - library for creating web based terminals

The Android SDK for the Parse Platform

Html Agility Pack (HAP)

Blazing fast and Comprehensive CSV Parser for Node.JS / Browser / Command Line.

The JavaScript SDK for the Parse Platform

Smarter YAML front matter parser, used by metalsmith, Gatsby, Netlify, Assemble, mapbox-gl, phenomic, and many others. Simple to use, and battle tested. Parses YAML by default but can also parse JSON Front Matter, Coffee Front Matter, TOML Front Matter, and has support for custom parsers.

Scrape data from websites using Open Graph, HTML metadata & fallbacks.

Tika-Python is a Python binding to the Apache Tika™ REST services allowing Tika to be called natively in the Python community.

💬 Python scripts to parse Messenger, Hangouts, WhatsApp and Telegram chat logs into DataFrames.

📝 HTML to React parser.

Parse and output TODOs and FIXMEs from comments in your files

Parse, Audit, Query, Build, and Modify Cisco IOS-style configurations

Parser for PHP written in Go

A relatively up-to-date fork of ParsePy, the Python wrapper for the Parse.com API. Originally maintained by @dgrtwo

Composable schemas for JavaScript and Node.js

a simple syntax for complex argumentation

Source code for the Fullstack JavaScript book

Yet Another UserAgent Analyzer

C#'s fastest parser combinator library

👪 a python library for parsing unstructured western names into name components.

It's time for your markup to get down! HTML to markdown converter. Breakdance is a highly pluggable, flexible and easy to use.