file-type
Detect the file type of a file, stream, or data
ics
iCal (ics) file generator
timezones-ical-library
Easy direct access to the most recent official timezone information for iCalendar files via JavaScript
node-ical
NodeJS class for parsing iCalendar/ICS files
ical-generator
ical-generator is a small piece of code which generates ical calendar files