npm98Exceptionalhealth index
JavaScript · TypeScript · HTML★ 37K↓ 243M/moAug 4, 2026
Packagist · RubyGems92Excellenthealth index
PHP★ 2,968↓ 13.5M/moAug 22, 2026
npm90Excellenthealth index
JavaScript★ 6,306↓ 13.9M/moAug 27, 2026
npm90Excellenthealth index

DavidAnson/markdownlint-cli2A fast, flexible, configuration-based command-line interface for linting Markdown/CommonMark files with the markdownlint library
JavaScript★ 910↓ 12.4M/moAug 27, 2026
PyPI90Excellenthealth index
Python · HTML★ 1,348Aug 4, 2026
crates.io90Excellenthealth index
Rust★ 1,681↓ 630.4K/moAug 22, 2026
npm90Excellenthealth index

markdown-it/markdown-itMarkdown parser, done right. 100% CommonMark support, extensions, syntax plugins & high speed
TypeScript · JavaScript★ 21.8K↓ 110M/moAug 4, 2026
crates.io88Excellenthealth index
Rust★ 2,675Aug 11, 2026
RubyGems · crates.io86Excellenthealth index
Rust · Ruby★ 556Sep 5, 2026
NuGet86Excellenthealth index

xoofx/markdigA fast, powerful, CommonMark compliant, extensible Markdown processor for .NET
C#★ 5,303Aug 22, 2026
Go86Excellenthealth index

yuin/goldmark:trophy: A markdown parser written in Go. Easy to extend, standard(CommonMark) compliant, well structured.
Go★ 4,965Aug 28, 2026
npm83Excellenthealth index
comarkdown/comarkA high-performance Markdown parser and renderer for Angular, React, Svelte, Vue, HTML and ANSI.
TypeScript★ 817↓ 212.6K/moJul 16, 2026
PyPI81Excellenthealth index
Python★ 465↓ 6.4M/moAug 27, 2026
Hex81Excellenthealth index
leandrocp/mdexMarkdown for Elixir. Fast, Extensible, Phoenix-native. AI-ready. Built on top of comrak, ammonia, and lumis.
Elixir★ 435↓ 89.9K/moJul 17, 2026
Packagist · npm78Goodhealth index
PeteBishwhip/laradocsMaintain beautiful, version-controlled documentation alongside your Laravel codebase. Markdown in, a polished docs site out.
PHP★ 103↓ 6,512/moJul 18, 2026
Julia★ 98Jul 22, 2026
Python★ 812↓ 2.9M/moAug 27, 2026
HTML · JavaScript★ 11.4K↓ 28.5M/moAug 12, 2026
crates.io69Goodhealth index
Rust★ 176↓ 280.7K/moAug 6, 2026
crates.io69Goodhealth index
sebastienrousseau/html-generatorA Rust library that turns Markdown into WCAG-compliant, SEO-friendly HTML — front matter, TOC, JSON-LD, MathML, Mermaid, and minification in one pipeline. Runs natively or as WebAssembly.
Rust★ 7↓ 2,077/moJul 26, 2026

arve0/markdown-it-attrsAdd classes, identifiers and attributes to your markdown with {} curly brackets, similar to pandoc's header attributes
JavaScript★ 332↓ 1.1M/moAug 28, 2026
Python★ 16↓ 3,151/moJul 19, 2026
crates.io · npm65Goodhealth index

dahlia/hongdownA Markdown formatter that enforces Hong Minhee's Markdown style conventions
Rust★ 197↓ 778/moAug 30, 2026

remarkjs/remarkmarkdown processor powered by plugins part of the @unifiedjs collective
JavaScript★ 8,975↓ 342M/moAug 12, 2026
npm60Moderatehealth index
JavaScript★ 15.8K↓ 111M/moAug 4, 2026
crates.io60Moderatehealth index
sebastienrousseau/mdx-genAST-first Markdown → HTML library for Rust. Ships with custom blocks, class-based syntax highlighting, a hardened sanitizer, table of contents, streaming output, plain-text extraction, and client-side mermaid diagrams.
Rust★ 3↓ 2,071/moJul 25, 2026
npm57Moderatehealth index

micromark/micromarksmall, safe, and great commonmark (optionally gfm, mdx) compliant markdown parser
JavaScript★ 2,199↓ 1.4B/moAug 4, 2026
icyleaf/markdYet another markdown parser, Compliant to CommonMark specification, written in Crystal.
Crystal★ 126Jul 26, 2026
npm51Moderatehealth index
siinghd/flux-mdZero-dep streaming markdown for the browser — Rust→WASM, 100% CommonMark 0.31 + GFM. Built to not melt the main thread on concurrent LLM streams.
Rust · TypeScript★ 1Jul 18, 2026
PyPI50Moderatehealth index
Python · JavaScript★ 16Jul 16, 2026