Calendly is an app for scheduling appointments, meetings, and events.
Clockwork is a development tool for PHP available right in your browser.
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.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Inertia.js is a protocol for creating monolithic single-page applications.
PHP is a general-purpose scripting language used for web development.