Postbox 5 add-on that appends a context menu in the message pane to create google calendar events from attached *.ics files. The add-on will analyse *.ics files and open the browser to create the events in google calendar.
Postbox -> Tools -> Add-ons -> Install Add-on From File... -> [add-to-google-calendar-postbox.xpi](https://github.com/juanrasantana/add-to-google-calendar-postbox/blob/master/add-to-google-calendar-postbox.xpi)
Juan Ramón Santana juanramonsantana.com @juanrasantana
Add to Google Calendar is licensed under the MIT License. (See LICENSE).