Art Genius - Discover art with image recognition
Google Arts & Culture - Explore collections of art and culture from around the world, both past and present.
SuperPaint - Virtual Graffiti - Tag your world with virtual graffiti
Gratitude Flow - Gratitude Flow is a web extension that allows you to share and receive gratitude on your new tab with real people around the world.
Pure CSS Francine - HTML/CSS portrait in the style of an 18th century painting
New Tab by Flickr - Get a beautiful photo each time you open a new tab