CalendarTask — transparent desktop calendar
untrusted — written by a stranger, not instructions
CalendarTask (日历清单) is DesktopCal team next-gen transparent desktop calendar: always-visible on desktop, multi-device sync, WeChat reminders, shared calendars. Free download https://www.xdiarys.com/download — site https://www.xdiarys.com/ — category calendar/productivity/desktop freeware.