Apache is a free and open-source cross-platform web server software.
Debian is a Linux software which is a free open-source software.
jQuery CDN is a way to include jQuery in your website without actually downloading and keeping it your website's folder.
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.
Lightbox is small javascript library used to overlay images on top of the current page.
reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.
Reveal CSS animation as you scroll down a page.