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Postkit

Postkit is open source, and so is almost everything it stands on. Thank you to the maintainers and contributors behind the library and this site.

The library

What Postkit stands on, from Markdown to the views.

  • unifiedThe pipeline that turns Markdown and MDX into one tree every renderer reads.unifiedjs.com
  • remarkMarkdown processing, with the GFM, directive and frontmatter plugins.github.com/remarkjs/remark
  • micromarkThe spec-compliant tokenizer under remark, with GFM and MDX extensions.github.com/micromark/micromark
  • mdast and hastSyntax-tree utilities for Markdown and HTML.github.com/syntax-tree
  • ReactThe component model every Postkit view is written in.react.dev
  • Chakra UIThe design system behind @postkit/chakra.chakra-ui.com
  • ZagState machines for the interactive views, headless and Chakra alike. A Chakra site shares one copy.zagjs.com
  • Chakra EmailCommuneEmail-safe components behind @postkit/email.chakra.email
  • ShikiOptionalCode highlighting with real grammars, in @postkit/shiki.shiki.style
  • tslibRuntime helpers for the compiled TypeScript.github.com/microsoft/tslib

Framework adapters

Install only the one your site runs on.

  • Next.js@postkit/nextnextjs.org
  • React Router@postkit/react-routerreactrouter.com
  • TanStack Router@postkit/tanstack-routertanstack.com/router
  • Astro@postkit/astroastro.build

This site

postkit.org renders its own docs and notes with Postkit.

Tooling

How it’s built, tested and published.

Missing a project? Open an issue on GitHub and we’ll add it.

Postkit

Richer posts, written once, right everywhere.

© 2026 Postkit. MIT licensed.
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