NatGeo NewTab - Displays the NatGeo Photo of the Day on opening a new tab
Sketchfab for Museums - Browse thousands of cultural artifacts in 3D and VR
Minimo - An elegant, simplified new tab page
Hoodie - A fast offline-first architecture for webapps. Super-simple user management & storage. Great for mobile.
Mustsee - Discover the world’s most beautiful places
Google Arts & Culture - Explore collections of art and culture from around the world, both past and present.