Publii is a static-website-building tool. It is a perfect content management system for blogs, portfolios, and company websites. With a simple GUI, you can create any number of websites without learning about databases or HTML coding. You can also share your site via Dropbox or other cloud storage and let multiple users update your content.
Publii has various SEO optimization tools for improving your search engine rankings. Support for modern hosting sites ensures that you can update your websites without much effort.