Apache is a free and open-source cross-platform web server software.
Blocksy is a modern and lightweight WordPress theme designed for a variety of websites, including blogs, portfolios, ecommerce stores, and business websites.
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.