Future - Calendar events around the clock
Calendify - Calendify is an event community where you can share, publish, and subscribe to event calendars. It helps you to stay informed about what you are interested in and what is yet to come.
Event Calendar App - A simple, easy to manage, way of displaying events
Morse - Create, shout out, and discover nearby events in real time
Whenever - Casual calendar app for iOS
Upcoming.org - A simple way to share and discover interesting events