Google Calendar
Google Calendar is a free time-management web application that lets you display, create, and modify calendar events.
Busy Periods within Time Range in Google Calendar
Find when someone is busy within a start and end time range....
Get Google Calendar Summary
Given an (optional) email address, get summary for a Google C...
Get List of Google Calendars
Returns entries on the user's calendar list.
Get Upcoming Google Calendar Events
See upcoming Google Calendar entries for yourself or someone ...
Post Event to Google Calendar
Automatically post an event to Google Calendar....