diagram en vue isométrique. Installable avec Docker. Volume persistant possible mais avec json Fossflow

draw.io is a free online diagramming application and flowchart maker . You can use it to create UML, entity relationship,
org charts, BPMN and BPM, database schema and networks. Also possible are telecommunication network, workflow, flowcharts, maps overlays and GIS, electronic
circuit and social network diagrams.