Vamos - Local Event Discovery

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.

Loxi - Easily add an events calendar to any website.

Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.

Whenever - Casual calendar app for iOS