Flourish - Powerful, beautiful, easy data visualisation
FreeBu - Smart free/busy calendar sharing and meeting organizer.
The Data Visualisation Catalogue - Reference tool for data visualisation
Letsfind - Letsfind is a fast, easy-to-use, ad-free way to create online (meeting) polls.
CodeAnalogies - Visual explanations of web development topics
FullCalendar - FullCalendar is an open-source JavaScript event calendar.