I quickly searched for Google Calendar and nothing came up. A good 'trick' would be to have a Gmail account (calendar, and all), share the password with the 'i

I quickly searched for Google Calendar and nothing came up. A good 'trick' would be to have a Gmail account (calendar, and all), share the password with the 'inner circle' and anyone can post anything they want and it will appear on the google calendar, in "Agenda" mode