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.

Morse - Create, shout out, and discover nearby events in real time

Upcoming.org - A simple way to share and discover interesting events

Soon - Never miss something awesome

Visit a City - Create your personal travel guide

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