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

Rust parser combinator framework

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.

Lark is a parsing toolkit for Python, built with a focus on ergonomics, performance and modularity.

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

Smarter YAML front matter parser, used by metalsmith, Gatsby, Netlify, Assemble, mapbox-gl, phenomic, vuejs vitepress, TinaCMS, Shopify Polaris, Ant Design, Astro, hashicorp, garden, slidev, saber, sourcegraph, and many others. Simple to use, and battle tested. Parses YAML by default but can also parse JSON Front Matter, Coffee Front Matter, TOM…

Html Agility Pack (HAP) is a free and open-source HTML parser written in C# to read/write DOM and supports plain XPATH or XSLT. It is a .NET code library that allows you to parse "out of the web" HTML files.

Get unified metadata from websites using Open Graph, Microdata, RDFa, Twitter Cards, JSON-LD, HTML, and more.

Makes life working with units of measurement just a little bit better.

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

📝 HTML to React parser.

The Android SDK for Parse Platform

small, safe, and great commonmark (optionally gfm) compliant markdown parser

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

The JavaScript SDK for Parse Platform

一款UI自动生成代码插件，提供UI自动生成代码全流程解决方案。

Declarative binary reading and writing: bit-level, symmetric, serialization/deserialization

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