HotelTime is a cloud-based PMS solution with a modern design liked for its user interface and user-friendliness, real-time control of hotel operations, room sales, reservation status, check-ins, check-outs, invoicing, payments etc.

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.