Easy Warehouse Management, Easy WMS, is an API that is available as a web-service or you can use data-files (XML, SQL, Excel, Access, CSV), plus you can use the Apps and API only or add CDS if you need a backend to store stock levels and other data. Easy Warehouse Management has ready integrations to many ERP systems, some examples: Microsoft Navision, Visma Administration, Visma Business, Jeeves, Fortnox and Winbas.