Software as a service (SAAS) services featuring software for enabling shippers of ground, air, ocean, rail and parcel freight to select routes and carriers, communicate with carriers and suppliers, and manage pickup and delivery of shipments and orders, for predicting single and multi-leg shipment and order arrival times across all modes including ground, air, ocean, rail and parcel, for order and inventory management and fulfilment, and for managing shipment yards and docks, including controlling gate access and security, managing appointments and optimizing order delivery