The Cronofy Ruby SDK by Cronofy allows API communication to access calendar syncing data. It is useful to integrate with Google, iCloud, Exchange, Office 365, and Outlook. Installation and usage available. See on GitHub how to create a client to make API calls.
The calendar remains one of the tools that has barely seen an update or revision since it's inception. A grid of dates that you write appointments in. Sure, we have digital versions, but the design and function is still the same. "If it ain't broke...", right? Not so, according to a new startup.