FOLS is an iPMS (integrated property management system) developed by AccorHotels. It is completely interfaced with Accor distribution solutions (reservation, planning, price, pre-payment…) and with most of the business solutions which meet hoteliers’ needs (CRM, distribution, accountability, electronic money) Thus, FOLS offers a full functional coverage and allows a simple and efficient hotel management.

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.