A GUI framework application for qooxdoo demos
http://www.qooxdoo.org/qxl.demobrowser/
Clone this repo and compile it:
git clone https://github.com/qooxdoo/qxl.demobrowser
cd qxl.demobrowser
npm install --no-save --no-package-lock @qooxdoo/framework
npx qx serve
Then open http://localhost:8080