Community Tip - Visit the PTCooler (the community lounge) to get to know your fellow community members and check out some of Dale's Friday Humor posts! X
Does Thingworx support Calender servers like lCal, Google, CALDAV support/connector which could exchange data in iCalendar Format.
I don't know that there is anything OOTB, but it is not that hard to build custom widgets and extensions in ThingWorx.