A ruby gem to generate 'Add To Calendar' URLs for Android, Apple, Google, Hey, Office 365, Outlook, Outlook.com and Yahoo calendars

This is a plugin for Obsidian that searches your vault for tasks that contain dates, and generates a calendar in iCal format that can be imported into your preferred calendar application.

Import Events from anywhere – Facebook, Eventbrite, Meetup, iCalendar and ICS into your WordPress site.

Extending the standards with additional model constructs

Applet to create events in iCal from Mail messages

A WordPress plugin that provides a Feed for Event Organiser events that is compatible with Apple Calendar.

Finsweet calendar invite library

A plugin to synchronize Apple apps with Obsidian. Currently synchs Apple Reminders, eventually to include Apple Events & Notes (WIP).