One Calendar is an API that wraps around commonly used calendars, such as Google Calendar and Microsoft Exchange, and was developed by the team behind the One Diary app.

Google has made a small change to the Google Calendar API that nonetheless could make a huge difference for developers and users. The Calendar API now supports push notifications - alerts sent ...

Google will be able to block third-party apps from using the Google Calendar Provider API Obviously, giving third-party companies the ability to view your Calendar events can pose a security risk.

This new feature, found in Google Calendar's settings, aims to allow users to prevent third-party apps from viewing their Google Calendar events, even if those apps have general calendar access.