(and see this JointJS post for a more detailed overview of the tool) serialization/deserialization to/from JSON format.magnets (link connection points) can be placed basically anywhere.customizable links, their arrowheads, and labels.
custom shapes based on SVG or programmatically rendered.ready-to-use diagram elements of well-known diagrams (ERD, Org chart, FSA, UML, PN, DEVS, …).basic diagram elements (rectangle, circle, ellipse, text, image, path).It has also a commercial version (Rappid, see below)
JointJS can be used to create either static diagrams or fully interactive diagramming tools and application builders. Interested in a library to help you embed UML editors in your application? Check these options! JointJS JavaScript libraries for drawing UML (or BPMN or ERD …) diagrams
