HelloShift is modern messaging for hotels – guest messaging, staff collaboration, and website chat in one platform to help hoteliers deliver phenomenal service with multi-channel messaging. Guest Messaging connects with guests through SMS, WhatsApp, Messenger, E-mail, and more.

Cassandra is a free and open-source, distributed, wide-column store, NoSQL database management system designed to handle large amounts of data across many commodity servers, providing high availability with no single point of failure.