Clock PMS is a hotel management solution that helps users to manage reservations, front desk and point of sale operations. It is designed for businesses of all sizes. The solution helps users in providing a centralized database in order to manage user and company profiles, guests lists and other related information.

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.