Simple Calendar (dm_simplecalendar)
With this extension you can create appointments and display them in a calendar view.
The calendar provides year/month/week/day views.
You can create different calendar plugins which show different categories for appointments or you can create one plugin which displays appointments from many categories.
You can highlight different categories with a color system.
You can download an ICS file for each event to share your appointments.
You can display QR Codes for your appointments.
A calendar extension to display calendars and appointments.
There are different views (year/month/week/day)
ICAL download and QR-Code supported
It is able to use own templates OR choose a theme bundle from extension
Extbase/Fluid based for TYPO3 v6.x
REST Documentation available