CalendarHub vs Kiko :: Vote for your favorite

CalendarHub - Create a Calendar That You Can Access from Anywhere

Features:

• Create multiple personal or group calendars
• Find local events and add them to your calendar
• Get reminders by email or on your phone
• Invite others to your events
• Ajax-based drag & drop interface
• RSS feeds for any calendar view
• Subscribe to public calendars (e.g. iCal)
• Import/Export (e.g. Outlook, Yahoo

kiko - Kiko is a great, dead simple calendar you can use right in your web browser

Features:

• Natural Language Quick Create
• Drag & Drop
• Reminders via Email, AIM & SMS
• RSS Feeds
• Rich Contact Management
• Internationalization
• iCal and vCard Import