WikiArt - The Encyclopedia of Fine Art
Human:Activity tracker - Activity tracker - Walking, running, biking and Calorie tracking
Artspace - Art platform to discover and buy contemporary art.
Mango Mirror - A personal health and daily activity dashboard on a mirror
Artboost - Artboost is an art marketplace.
Pedometer++ - gmap-pedometer.com is the free, no login required, route planner for runners cyclists and walkers. Measure your distance in miles or km, see elevation graphs, and track calorie burn all one one page.