FreeBu - Smart free/busy calendar sharing and meeting organizer.
Ship Your Enemies Glitter - Send glitter to the people that deserve it
Letsfind - Letsfind is a fast, easy-to-use, ad-free way to create online (meeting) polls.
Mine - Discover and control what the internet knows about you
FullCalendar - FullCalendar is an open-source JavaScript event calendar.
Rita Personal Data - Collect, view and control your data