Apache is a free and open-source cross-platform web server software.
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.
jQuery plugin for seeing if the images are loaded.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Sendinblue is an email marketing solution for small and medium-sized businesses that want to send and automate email marketing campaigns.