Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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MDX
The compiler that lets you write JSX directly inside Markdown documents
Fumadocs Core
The headless React library for building documentation websites, with source loading, page trees, MDX processing, search, and i18n.
usehooks-ts
A tree-shakable collection of 30+ ready-to-use React hooks, written in TypeScript.
next-mdx-remote
Load, compile, and hydrate MDX content from any remote source—CMS, database, or API—inside Next.js apps, without a build-time file import.
mdast-util-mdx-jsx
Parses and serializes MDX JSX syntax within mdast syntax trees for markdown processing pipelines.
rehype-pretty-code
A rehype plugin that transforms Markdown and MDX code blocks into beautifully styled, Shiki-highlighted HTML with line highlighting, captions, and multi-theme support.
rehype-prism-plus
Rehype plugin that highlights code blocks with Prism, adding line numbers, line highlighting, and diff annotations to Markdown/MDX output.
remark-mdx-frontmatter
Converts MDX frontmatter (YAML or TOML) into named JavaScript exports during the remark compile step.
mdast-util-mdx
Mdast extensions that parse and serialize MDX syntax — ESM, JSX, and expressions — inside markdown syntax trees.
Theme UI
Constraint-based design-graph framework for building themeable React UIs
rehype-mermaid
A rehype plugin that renders Mermaid diagrams into inline SVG, PNG, or client-side markup inside a unified/remark/rehype pipeline.
micromark-extension-mdxjs
Combines MDX's JSX, expression, and ESM syntax extensions into one micromark plugin for parsing MDX documents.
mdxjs-rs
A fast, memory-safe Rust library that compiles MDX documents into JavaScript.
micromark-factory-mdx-expression
A micromark tokenizer factory that parses MDX-style `{expression}` syntax inside flow content, text, and JSX attributes.
