World of Workflows comes in three flavors, Personal Edition (PE), Engine Edition (EE) and Business Edition (BE). All three have different features and prices
Personal Edition
Free for ever. Personal Edition runs on your individual PC, Mac or Linux device and is limited to requests coming from that device, is not multi-user and does not support authentication. Great for experimenting, creating workflows for production or automating your personal tasks.
Use Engine Edition when working with solutions that you sell to customers. Engine Edition starts at AU$500 per month and is enabled in the azure marketplace by enquring below:
Partners get a free license to World of Workflows Business Edition. Once the partner agreement is signed, Partner Edition will appear in your Azure location.