Elements.cloud
https://elements.cloud/solutions/btoe/ Elements Operational Knowledge supports a hierarchical diagramming approach that has been proven over 30+ years in a range of industries and thousands of companies. Elements Operational Knowledge is multi-tenant and cloud based with a modern technical architecture and elegant UX. And it is built to scale from the smallest business to the largest enterprise. It is free - for ever, for everyone. The core capabilities to deliver projects is free, and will always be free. Pro features are aimed at process mature or highly regulated organizations and you only pay for Editors. Viewers are always free,
