Top Parser repositories

Biggest movers this week

git clone https://github.com/TomWright/dasel.git

git clone https://github.com/boa-dev/boa.git

git clone https://github.com/tobymao/sqlglot.git

git clone https://github.com/mvdan/sh.git

git clone https://github.com/pdfminer/pdfminer.six.git

git clone https://github.com/parcel-bundler/lightningcss.git

Top 24 on the Elo ladder

1. #272
   opendatalab/MinerU

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

   • Diamond II

   2,080 Elo −3183.7kPython
2. #1,212
   tree-sitter/tree-sitter

   An incremental parsing system for programming tools

   • Emerald III

   1,825 Elo −1427.4kRust
3. #1,336
   oxc-project/oxc

   ⚓ A collection of high-performance JavaScript tools.

   • Emerald IV

   1,807 Elo 23.4kRust
4. #2,071
   markedjs/marked

   A markdown parser and compiler. Built for speed.

   • Platinum II

   1,720 Elo −5537.3kTypeScript
5. #2,705
   swc-project/swc

   Rust-based platform for the Web

   • Platinum IV

   1,659 Elo −434.2kRust
6. #3,174
   postcss/postcss

   Transforming styles with JS plugins

   • Gold I

   1,625 Elo −1828.9kTypeScript
7. #3,326
   cheeriojs/cheerio

   The fast, flexible, and elegant library for parsing and manipulating HTML and XML.

   • Gold I

   1,615 Elo −4130.5kTypeScript
8. #3,851
   tobymao/sqlglot

   Python SQL Parser and Transpiler

   • Gold II

   1,582 Elo +399.7kPython
9. #4,448
   nikic/PHP-Parser

   A PHP parser written in PHP

   • Gold IV

   1,548 Elo −1517.4kPHP
10. #4,680
    munificent/craftinginterpreters

    Repository for the book "Crafting Interpreters"

    • Gold V

    1,535 Elo +111.1kHTML
11. #5,488
    erusev/parsedown

    Better Markdown Parser in PHP

    • Silver II

    1,497 Elo −715kPHP
12. #5,553
    boa-dev/boa

    Boa is an embeddable Javascript engine written in Rust.

    • Silver II

    1,494 Elo +687.6kRust
13. #5,877
    jhy/jsoup

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

    • Silver III

    1,479 Elo −2811.4kJava
14. #6,314
    json-iterator/go

    A high-performance 100% compatible drop-in replacement of "encoding/json"

    • Silver IV

    1,460 Elo −2313.8kGo
15. #6,414
    mvdan/sh

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

    • Silver IV

    1,456 Elo +219.1kGo
16. #7,635
    rust-bakery/nom

    Rust parser combinator framework

    • Bronze II

    1,409 Elo −1110.4kRust
17. #7,915
    bytedance/Dolphin

    The official repo for “Dolphin: Document Image Parsing via Heterogeneous Anchor Prompting”, ACL, 2025.

    • Bronze III

    1,399 Elo −79kPython
18. #8,405
    terser/terser

    🗜 JavaScript parser, mangler and compressor toolkit for ES6+

    • Bronze IV

    1,379 Elo +29.3kJavaScript
19. #8,585
    pdfminer/pdfminer.six

    Community maintained fork of pdfminer - we fathom PDF

    • Bronze V

    1,371 Elo +107kPython
20. #8,843
    TomWright/dasel

    Unified querying, transformation, and modification of JSON, TOML, YAML, XML, INI, HCL, KDL and CSV.

    • Bronze V

    1,359 Elo +718kGo
21. #8,957
    parcel-bundler/lightningcss

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

    • Copper I

    1,352 Elo +107.7kRust
22. #9,335
    jquery/esprima

    ECMAScript parsing infrastructure for multipurpose analysis

    • Copper II

    1,331 Elo −37.1kTypeScript
23. #9,618
    fkling/astexplorer

    A web tool to explore the ASTs generated by various parsers.

    • Copper III

    1,305 Elo −126.5kJavaScript
24. #9,704
    The-Vibe-Company/megaparse

    File Parser optimised for LLM Ingestion with no loss 🧠 Parse PDFs, Docx, PPTx in a format that is ideal for LLMs.

    • Copper III

    1,294 Elo −77.4kPython