It can be used as a personal planner, a company or organization's events calendar, an RSS gateway. It supports  multiple users and groups, timezone compensation, iCalendar standards, , e-mail notifications, e-mail subscriptions. Robust recurring event support allowing events to recur on the "3rd Monday of the month" (for example). Support for recurring event exceptions to exclude a recurring event from appearing on a given date. Backend event management including the publish and unpublish actions.