Enterprise PMS with Trust Accounting v4. Channels: Vrbo/HomeAway, Airbnb, Booking.com, Expedia, Google and Marriott. Fastest replacement for V12, YesBookIt (YBI) and all legacy PMS systems. Cloud-based, mobile-first and pre-scaled for any number of properties. Fastest, newest and easiest-to-use PMS

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.