Keystatic

Judgement

What it is

Building block

What it does

A CMS that edits Markdown, YAML and JSON files directly in your repository or GitHub, with a TypeScript schema API for Next.js, Astro and Remix.

Adopt it when

You want a database-free CMS for a developer-built content site with editors working through GitHub.

Watch out

The team still labels it experimental, there are no tagged releases, and activity has slowed.

Ready for

Usable

Runs as

Library

Built with

TypeScript, React and Markdoc

How established

Established: started 3 years ago, no tagged release yet.

What the license allows

You can build it into a product you sell, as long as you keep its copyright notice.

Judged on 2026-11-03 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

Follow it down: Keystatic → TypeScript → Go → runs on a microchip

How compilers were built, back to punched paper tape

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