Diagramy module is a complete diagram editor that will allow you to create, edit and share with your other staff members BPMN ( Business Process Model and Notation ), custom Flowcharts, Process diagrams, Org Charts, UML, ER & Network Diagrams through diagrams.net library. It also supports assignment to Projects and Tasks, so they can be browsed by Customer and his Contacts, in frontend (Customers Area). You will be also able to import 100% custom transparent icons/images (currently only from remote URL source).

Demo: https://codecanyon.net/item/diagramy-a-complete-diagram-editor-for-perfex-crm-flowcharts-process-diagrams-org-charts-more/29259040