Apache is a free and open-source cross-platform web server software.
Debian is a Linux software which is a free open-source software.
Google PageSpeed is a family of tools designed to help websites performance optimisations.
Neve is a super-fast, easily customizable, multi-purpose theme that works perfectly with Gutenberg and the most popular page builders as well as WooCommerce
Page Builder by SiteOrigin makes it easy to build responsive grid-based page content that adapts to mobile devices with pixel perfect accuracy.
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.