AddEvent is used to Add to Calendar and event tools for websites and newsletters.
Apache is a free and open-source cross-platform web server software.
Drupal is a free and open-source web content management framework.
Facebook pixel is an analytics tool that allows you to measure the effectiveness of your advertising.
Font Awesome is a font and icon toolkit based on CSS and Less.
Open Graph is a protocol that is used to integrate any web page into the social graph.