What is the difference between iCalendar and CalDav?

Solution

CalDAV is a protocol extension for WebDAV and can used to manipulate data in the iCalendar format. So CalDAV is like the HTTP for calendar stuff, and iCalendar is like HTML.

ICS Response mecanism
Creating a .ics file for classes schedule
Outlook (.ics) TimeStamp ISO 8601 misinterpretation
Outlook.RecurrencePattern to iCal string
Get outlook recurrence pattern of a event in iCal format using C#
How to get ics file to adjust to local time instead of changed time
Timezone in Google-exported .ICS defaults to UTC
Process DTEND in a partial ICS file
Should I store dates or recurrence rules in my database when building a calendar app?
How to create .ics file using c#?
Is there a syntax error in this iCalendar event code?
Output does nothing when converting a df to ics
How to extract a string using JavaScript Regex?
PHP creating ics invite
Importing ICS into Google Calendar with correct timezone
Format of ics for Google Calendar e.g Father's day
URL Scheme for opening the iCal app at a date or event?
How can an icalendar event that has changed date be marked as to expose this fact?
External protocol request
.ics file to save to outlook calendar automatically when the email it is attatched to is opened
Deleting Google Calendar event not triggering RSVP email
How to update Gmail disaplayed timezone with ics attachment
Outlook Refresh Interval for iCal subscriptions (webcal://)
Ics file is "sending update" instead of creating a "send"
Converting ICS Date to YYYY:MM:DD:HH:mm
How to remove tags in org-mode ical export?
How can i update a recurrence rule using Regex
NodeJS problem with recurring events from ICal
How to unpublish an iCal (*.ics) feed?
How to generate ICS file for different calendars dynamically in reactJS