Best Open Source parser Libraries
A curated list of the most popular GitHub repositories tagged with parser. Select any project to visualize its architecture and dive into the codebase using RepoMind's AI engine.
#1opendatalab/MinerU
Transforms complex documents like PDFs into LLM-ready markdown/JSON for your Agentic workflows.
#2markedjs/marked
A markdown parser and compiler. Built for speed.
#3swc-project/swc
Rust-based platform for the Web
#4cheeriojs/cheerio
The fast, flexible, and elegant library for parsing and manipulating HTML and XML.
#5postcss/postcss
Transforming styles with JS plugins
#6oxc-project/oxc
⚓ A collection of high-performance JavaScript tools.
#7nikic/PHP-Parser
A PHP parser written in PHP
#8erusev/parsedown
Better Markdown Parser in PHP
#9terser/terser
🗜 JavaScript parser, mangler and compressor toolkit for ES6+
#10tobymao/sqlglot
Python SQL Parser and Transpiler
#11bytedance/Dolphin
The official repo for “Dolphin: Document Image Parsing via Heterogeneous Anchor Prompting”, ACL, 2025.
#12mvdan/sh
A shell parser, formatter, and interpreter with bash and zsh support; includes shfmt
#13microsoft/tsdoc
A doc comment standard for TypeScript
#14globalizejs/globalize
A JavaScript library for internationalization and localization that leverages the official Unicode CLDR JSON data
#15fb55/htmlparser2
The fast & forgiving HTML and XML parser
#16ValveResourceFormat/ValveResourceFormat
Source 2 Viewer is an all-in-one tool to browse VPK archives, view, extract, and decompile Source 2 assets, including maps, models, materials, textures, sounds, and more.
#17ubugeeei-prod/vize
blazing fast Vue.js toolchain. compiler, linter, type checker, formatter, lsp, story system, editors. already passed 25k+ tests.
#18MaibornWolff/codecharta
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
#19librasn/rasn
A Safe #[no_std] ASN.1 Codec Framework
#20averemee-si/oracdc
ORAcle database CDC (Change Data Capture)
#21RKPchannel/RKP_bypass_configs
Подписки для обхода ограничений на территории Российской Федерации. Софт для сбора и проверки публичных конфигураций.