Bootstrap is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains CSS and JavaScript-based design templates for typography, forms, buttons, navigation, and other interface components.
Google Analytics is a free web analytics service that tracks and reports website traffic.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Marketo develops and sells marketing automation software for account-based marketing and other marketing services and products including SEO and content creation.
Ruby on Rails is a server-side web application framework written in Ruby under the MIT License.