Apache is a free and open-source cross-platform web server software.
Moodle is a free and open-source Learning Management System (LMS) written in PHP and distributed under the GNU General Public License.
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.
YUI is a JavaScript and CSS library with more than 30 unique components including low-level DOM utilities and high-level user-interface widgets.