Apache is a free and open-source cross-platform web server software.
Blogger is a blog-publishing service that allows multi-user blogs with time-stamped entries.
Google AdSense is a program run by Google through which website publishers serve advertisements that are targeted to the site content and audience.
Google Analytics is a free web analytics service that tracks and reports website traffic.
Mailchimp is a marketing automation platform and email marketing service.
Open Graph is a protocol that is used to integrate any web page into the social graph.