Bootstrap is a free and open-source front-end framework for designing websites and web applications. It contains HTML and CSS-based design templates for typography, forms, buttons, navigation and other interface components, as well as optional JavaScript extensions.
Google AdWords lets create ads that appear in Google search results for certain keywords in certain regions, driving more qualified traffic to their website.
Wix is a website building & publishing platform which helps users create professional websites exactly the way they want, with a drag & drop website editor.
Gmail is a free, advertising-supported email service offered as part of Google's G Suite, with 15GB of storage, color-coded inbox filters and unsend button.