Apache is a free and open-source cross-platform web server software.
Google PageSpeed is a family of tools designed to help websites performance optimisations.
ShareThis provides free engagement and growth tools (e.g., share buttons, follow buttons, and reaction buttons) for site owners.
Twenty Eleven is the default WordPress theme for 2011.
Ubuntu is a free and open-source operating system on Linux for the enterprise server, desktop, cloud, and IoT.
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.