Slate

Judgement

What it is

Building block

What it does

A React framework for building custom rich text editors, where you define the document model, rendering and behaviour yourself.

Adopt it when

Your product needs a heavily customised in-app editor in React and off-the-shelf editors cannot model your content.

Watch out

It has been in beta for years, versions are still 0.x, and you must build much of the editing behaviour yourself.

Ready for

Usable

Runs as

Library

Built with

TypeScript and React

How established

Established: started 10 years ago, latest release slate-react@0.147.5.

What the license allows

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

Judged on 2026-11-06 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

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

How compilers were built, back to punched paper tape

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