Google web designer is a free tool from Google for creating interactive websites, banners, slide presentations with interactive HTML5 based design and motion graphic that can run on any device.
You can use Google web designer to create stunning animated websites using WYSIWYG tool or you can write your own HTML and CSS code.
The tool is a free download and available for Windows, Mac and Linux.
The interface of Google web designer.
A Google Web Designer Thought Experiment
Tutorial on how to use Google web designer (Text tool demo)
For more Tutorial, please visit Google web designer tutorial channel on Youtube.