• Evite.com
  Makes it easy to arrange events and parties
  Free online invitations, free ecards, birthday invitations, party invitations, birthday ecards, party ideas -- Evite has everything you need to throw a great party.
  baby birthday ecards free ideas invitations party shower themes
  in cool web services with calendar invitations organization party personal by 22 users
• CalendarHub
  Imports from iCal and others, doesn't support todos.
  in cool web services with calendar web2 by 25 users
• Meet the Neighbors
  integrated IM, messageboards, calendar
  apartment buildings community door east friendships groups hang local meet neighborhoods neighbors neighbours next out village
  in cool web services with calendar messageboard tools virtualcommunity
• This Day In History
  Good selection but mostly US-related events
  Learn what happened on This Day in History at History.com.
  channel day history this today
  in reference with calendar day history todayinhistory by 5 users
• 30 Boxes
  Sharable web calendar - import still "experimental". Todos basic (not clear if they are import/exportable)
  30 Boxes is almost certainly the easiest way to share your calendar and your web stuff online. Organize your life, share all or parts of it with friends.Post it to your blog. Track your friends online including their Flickr, Webshots, Vox, Facebook, MySpace, blogs, and more! It's quite simply the world's most open social network.
  calendar digital flickr ical identity lifestyle microsoft myspace onebox outlook shared webshots
  in cool web services with calendar web2 by 30 users
• AirSet
  Shared Online Calendars, Contacts and Lists for your Family, Work and Social Groups (seems targetted esp. at mobile phone users?)
  The ultimate life organizer for busy people struggling to balance hectic work & home lives. Share online calendars, contacts, lists and files with all your important groups: family, work, school, church and more.
  airset and balancing calendar contacts done family get group life list online organize organizer shared things to-do work your
  in cool web services with calendar web2
• Calgoo - Calendar Sharing Service and Calendar Sync Software
  
  calendar calendars google ical offline outlook share sharing software sync synchronization
  in software with calendar free ical mac osx software sync windows by 12 users
• Doodle
  in cool web services with calendar event google meeting outlook schedule by 9 users
• Earth Calendar
  Calendar of holidays around the world
  Every day is a celebration! The Earth Calendar is an online calendar of holidays and observances around the world.
  american calander calendar calendars calender canada countries country england germany holiday holidays religion religions usa
  in reference with calendar holiday holidays world by 14 users
• Eventful
  web2.0 calendar - mainly for sharing public events. Little todo functionality
  Find local events in your town or across the world on Eventful. We've put together the most popular concerts, festivals, kids events, sports events, and more.
  concerts events family festivals local technology theatre world
  in cool web services with calendar web2 by 30 users
• Eventseer.net
  "we help you keep track of academic events"
  in academic with academic calendar events
• GCALDaemon
  an OS-independent Java program that offers two-way synchronization between Google Calendar and various iCalendar compatible calendar applications
  bidirectional calendar google ical icalendar sync synchronize two-way
  in software with calendar sync by 6 users
• IanVisits - London Events Calendar (one-offs)
  Particular emphasis on public lectures
  in London with calendar events london
• iCal to Outlook
  A rather cumbersome-to-use Java app but it's free so if it works it may be worth it
  in software with calendar
• London Events Calendar
  Mainly includes walks, lectures and open days, not usual tourist events.
  in London with blog calendar event london walks
• MeetWithApproval.com — A great idea for meetings, parties, friends, reunions, weekends, corporate events
  
  approve confirm corporate event events free friends meet meeting meetings online parties party reunion weekend
  in cool web services with calendar event meeting tool tools web2 by 11 users
• Planzo.com
  Shared calendar doesn't seem to allow import or syncing
  in cool web services with calendar tool tools web2 by 2 users
• Remember The Milk - online todo list (can be subscribed from iCal)
  in cool web services with calendar list todo tool tools web2 by 90 users
• TimeBridge
  in cool web services with calendar event google ical meeting outlook schedule
• USNO Astronomical Applications Department
  Sun and Moon rise and set times, Moon phases, eclipses, seasons, positions of solar system objects, and other data
  in reference with calendar time by 6 users

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