Apache is a free and open-source cross-platform web server software.
Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.
CiviCRM is a web-based suite of internationalised open-source software for constituency relationship management.
Drupal is a free and open-source web content management framework.
Google Analytics is a free web analytics service that tracks and reports website traffic.
reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.