Daymo is a free and open source calendar app built to always show upcoming days with clear week markers. It makes it easy to get a feel for what's up next. It is meant to be used together with existing device calendars to keep compatibility and make it easier to get started.
Facebook provides a way to export and sync all your events to a third party calendar application such as Google Calendar. However they include events not yet responded to. This service can declutter your calendar by filtering out those events.
