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.
Drupal Commerce is open-source ecommerce software that augments the content management system Drupal.
Drupal is a free and open-source web content management framework.
Google Maps is a web mapping service. It offers satellite imagery, aerial photography, street maps, 360° interactive panoramic views of streets, real-time traffic conditions, and route planning for traveling by foot, car, bicycle and air, or public transportation.
Mailchimp is a marketing automation platform and email marketing service.
Stripe offers online payment processing for internet businesses as well as fraud prevention, invoicing and subscription management.