What does it do? 

• This extension includes the jQuery Plugin FullCalendar , which generates a skinable Calendar with different views (month, week, day, week list, day list) from Google Calendar XML Feed(s).
• It uses Extbase and Fluid and needs at least TYPO3 8.7.8
• The extension is localized in english and german. Contact me, if you would like to add your language.
• For examples of the different views visit http://fullcalendar.io