Apache is a free and open-source cross-platform web server software.
Calendly is an app for scheduling appointments, meetings, and events.
Google Analytics is a free web analytics service that tracks and reports website traffic.
Moodle is a free and open-source Learning Management System (LMS) written in PHP and distributed under the GNU General Public License.
reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.
RequireJS is a JavaScript library and file loader which manages the dependencies between JavaScript files and in modular programming.
Ubuntu is a free and open-source operating system on Linux for the enterprise server, desktop, cloud, and IoT.