Apache is a free and open-source cross-platform web server software.
Google Analytics is a free web analytics service that tracks and reports website traffic.
Google Forms is a free online form builder that allows you to create and publish online forms, surveys, quizzes, order forms, and more.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Vimeo is a video hosting, sharing and services platform. Vimeo operation an ad-free basis by providing subscription plans.