Elfsight is an all-in-one platform offering 70+ customisable widgets for websites.
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.
reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.