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iCalendar

jtx Board allows you to manage your Journals (like meeting minutes), Notes and Tasks in one Android app. The app is compatible with the iCal standard (RFC5545) and is integrated with DAVx5 to allow the synchronisation of entries through DAV.

TYPO3 Extension to view different calendar sources (google calendar, calendarize) in a nice way by using fullcalendar. It includes a filter function and a right system.

On-demand XML to ICS schedule transcription middleware

Simple python script to read *.csv file of calendar dates and ranges and create an iCal *.ics file that is importable into many different calendar programs. Used for automating the creation of holiday, school, or corporate calendars.

Matrix bot for the Friendly Linux Players community.

A Python Script for Automating Calendar Events

ITMS blood donation dates parser

Python functions for Apple contacts and calendar

Go package implementing RFC2445 Internet Calendaring and Scheduling Core Object Specification (iCalendar)