Google Play Books - Google Play Books lets you search, preview, and buy millions of books using Google Book Search.
Carrd - Simple, responsive one-page site creator.
Amazon Kindle - Amazon Kindle software lets you read ebooks on your Kindle, iPhone, iPad, PC, Mac, BlackBerry, and...
Webflow CMS - Build professional dynamic websites without any code
LibriVox - free public domain audiobooks
Grid Layout Builder by Webflow - A completely visual way to build CSS grid–powered layouts.