30 Boxes - http://www.30boxes.com/
Welcome. 30 Boxes was created for people looking for a robust yet simple social calendar that is easy to share with family and friends. - [Read more]

calendar hub - http://www.calendarhub.com/
Create a Calendar That You Can Access from Anywhere Keep it private, share it with others or publish it on the Web - [Read more]

eventful - http://eventful.com/
Use Eventful's powerful search tools, alerts, RSS feeds, calendars, and groups to discover and stay up-to-date on what's going on before it happens. Know which events your friends are going to and post your own events for others to discover. We're passion - [Read more]

eventicus - http://www.eventicus.de/?lang=en
Eventicus - The Free Event Calendar Community! You decide which events will be published. You can watch them, post comments, upload pictures and attent events with your friends. In German and English. - [Read more]

event sniper - http://www.eventsniper.com/
With EventSniper you can: Subscribe to any online calendar using the iCal standard. Add multiple external feeds. Publish your own calendar on your website. Subscribe to your calendar with a desktop application. - [Read more]

hipcal - http://www.hipcal.com/
Online calendar and todo list. - [Read more]

meet with approval - http://www.meetwithapproval.com/
Arrange a meeting or event. Work out which day is good for everyone & keep track of who is coming. - [Read more]

mosuki - http://mosuki.com/
Mosuki lets you share calendars and events with people you know. - [Read more]

planzo - http://planzo.com/
Planzo is an exciting new online calendar that makes planning your day simple and easy. - [Read more]

skobee - http://www.skobee.com/
The best way to make everyday plans. - [Read more]