I need a Jquery based plugin capable to create a kanban (see http://blog.leankitkanban.com/landing/smpl/?gclid=CMXartSn2K0CFWQntAodXiPPmw and
plugin must be capable to create more than one instance of itself in same page.
plugin must be capable to import, and export its data in JSON
Json data can be passed as argument to the plugin constructor method
ajax url can be passed as option to upload and update changes on data
plugin must have events (on create task, on complete task... and more)
plugin content must be printable by web browser