AngularJS is a JavaScript-based open-source web application framework led by the Angular Team at Google.
Apache is a free and open-source cross-platform web server software.
PHP is a general-purpose scripting language used for web development.
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.
WPML plugin makes it possible to build and run fully multilingual WordPress sites.