Apache is a free and open-source cross-platform web server software.
Google Forms is a free online form builder that allows you to create and publish online forms, surveys, quizzes, order forms, and more.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.
Modernizr is a JavaScript library that detects the features available in a user's browser.