Syndical - Automatically publish events across a range of platforms
Kin Calendar - The simple and connected calendar
12 Kinds of Kindness - A 12 step experiment to open our hearts, eyes, and minds
Google Calendar - Spend less time managing your day & more time enjoying it
BeKind - Build a habit of kindness with daily acts of kindness ideas
Teamup Calendar - Cloud-based calendaring using capability URL, application developed in Zurich, Switzerland.