This add-on provides the ability to display on HTML5 canvas object Entities and Connectors. Entities may contain Port components (with Provides or Requires) and Connectors can link Provides to Requires. This add-on includes a client side and a server side part. On the client side, zoom-in/zoom-Out and move (top,left,down,right) is available. Listeners can be registered on the server side in order to be notified on new Entity, removal of entities, update of entities, new connectors, etc.