Parser GitHub Repositories (2026) · Open Source Tools

blazing fast Vue.js toolchain. compiler, linter, type checker, formatter, lsp, story system, editors. already 30k+ tests.

AI-native web scraper. Single binary with a bundled Claude Code skill. MIT-licensed alternative to Firecrawl.

jsoup: the Java HTML parser, built for HTML editing, cleaning, scraping, and XSS safety.

CodeCharta is a visualization tool that transforms complex software architecture and code metrics into interactive, customizable visual maps, empowering everyone to communicate and analyze your codebase. Improve code quality, maintainability, and architectural decisions

Peggy: Parser generator for JavaScript

A PHP parser written in PHP

A shell parser, formatter, and interpreter with bash and zsh support; includes shfmt

A JavaScript library for internationalization and localization that leverages the official Unicode CLDR JSON data

Lightweight and fast library written in C# for reading Microsoft Excel files

Full featured CSV parser with simple api and tested against large datasets.

HTML parsing/serialization toolset for Node.js. WHATWG HTML Living Standard (aka HTML5)-compliant.

Java library for parsing and rendering CommonMark (Markdown)

A POSIX-compliant AWK interpreter written in Go, with CSV support

A .NET MIME creation and parser library with support for S/MIME, PGP, DKIM, TNEF and Unix mbox spools.

A Parser for CSS Files written in PHP. Allows extraction of CSS files into a data structure, manipulation of said structure and output as (optimized) CSS

Mathematical expression evaluator in JavaScript

Cinemagoer is a Python package useful to retrieve and manage the data of the IMDb (to which we are not affiliated in any way) movie database about movies, people and characters

A micro-library of stream components for building custom JSON and JSONC processing pipelines with a minimal memory footprint — parse, filter, and transform JSON far larger than available memory with a SAX-inspired token API, on Node.js or Web Streams.

Angular markdown component/directive/pipe/service to parse static, dynamic or remote content to HTML with syntax highlight and more...

NCalc is a fast and lightweight expression evaluator library for .NET, designed for flexibility and high performance. It supports a wide range of mathematical and logical operations.