mermaid.js plots via URL hash params or metaframe inputs

Next version of embeddable iframe markdown renderer

Execute arbitrary javascript safely in a browser metaframe

Display markdown from input pipes or URL parameters

Display models and scenes with babylon.js

Run (versioned) docker containers as a metaframe

Python metaframe via pyiodide

Metaframe: json editor with save button

Generate random numbers

Embed any JS module and custom code