JavaScript-first, open-source WYSIWYG DOCX editor
We needed a JS-first WYSIWYG DOCX editor and couldn't find a solid OSS option, most were either commercial or abandoned. As an experiment, we gave Claude Code the OOXML spec, a concrete editor architecture, and a Playwright-based test suite. The agent iterated in a (Ralph) loop over a few nights and produced a working editor from scratch. Core text editing works today. Tables and images are functional but still incomplete. MIT licensed.
In plain words
A JavaScript-based, open-source WYSIWYG editor for DOCX files created with Claude Code assistance. Built to address the lack of solid open-source alternatives in the market, it offers functional core text editing capabilities along with partial support for tables and images. The editor is distributed under the MIT license and available on GitHub, making it accessible for developers seeking an embeddable document editor without commercial licensing constraints.
written from the facts on this page · September 2026
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