Apache is a free and open-source cross-platform web server software.
Glide.js is a dependency-free JavaScript ES6 slider and carousel.
Open Graph is a protocol that is used to integrate any web page into the social graph.
OpenSSL is a software library for applications that secure communications over computer networks against eavesdropping or need to identify the party at the other end.
PHP is a general-purpose scripting language used for web development.
Red Hat is an open-source Linux operating system.
WordPress Super Cache is a static caching plugin for WordPress.
Yoast SEO is a search engine optimisation plugin for WordPress and other platforms.