Apache is a free and open-source cross-platform web server software.
Open Graph is a protocol that is used to integrate any web page into the social graph.
reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.
A modest JavaScript framework for the HTML you already have.
Ubuntu is a free and open-source operating system on Linux for the enterprise server, desktop, cloud, and IoT.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.