Provision of a Property Management System (PMS). This is a calendar which the hotels use to capture their bookings and client information, draw reports etc.
Booking Engine - This allows guests to visit the web site of the hotel and make online bookings
Distribution - They 'push' the data we're capturing from the hotel's calendar up on to the bigger international web sites.
Payment solutions - They provide credit card processing services for the smaller guest houses and web site partners (like the info offices in the various towns).
Internal support system
Internal CRM system
Travel widgets and search systems
Integrations to APIs (this is large)