Open source. Open possibilities.

Prettier is an opinionated code formatter that parses code and reprints it with consistent rules, taking maximum line length into account and wrapping when needed. It can run in editors on save, pre-commit hooks, or CI.

Slidev is an open-source presentation framework for developers, using Markdown and Vue to create slides with code highlighting, live coding, themes, presenter mode, drawing, LaTeX, Mermaid diagrams, icons, recording, and export to PDF, PNG, or PPTX.

MDX is an authorable format that lets you write JSX directly inside Markdown documents, so you can import and embed interactive components in long-form content. This repo provides packages to compile MDX to JavaScript and integrate it with bundlers and frameworks like React, Preact and Vue.

Jekyll is a blog-aware static site generator written in Ruby. It turns Markdown and Liquid templates into a complete static website that can be served by any web server, and it powers GitHub Pages.

Defuddle extracts main content from web pages, returning clean HTML or Markdown. It removes clutter, standardizes elements, and supports browser, Node.js, and CLI usage.

Marked is a fast, lightweight Markdown parser and compiler that works in browsers, on Node.js servers, and via CLI. It supports all standard Markdown features, custom extensions, and is easily adaptable for different use cases.