Sirvoy is a hotel booking system and property management system that works for all types of accommodation: hotels, motels, hostels, B&Bs, lodges & guest houses. Your bookings are easily accessible anytime and anywhere. No installations or updates needed.

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.