AddToAny is a universal sharing platform that can be integrated into a website by use of a web widget or plugin.
Apache is a free and open-source cross-platform web server software.
Header Footer Code Manager by Draftpress is a easy interface to add snippets to the header or footer or above or below the content of your page.
Open Graph is a protocol that is used to integrate any web page into the social graph.
WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. Features include a plugin architecture and a template system.
Yoast SEO is a search engine optimisation plugin for WordPress and other platforms.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.