POINT - Awesome link sharing/commenting with friends.
Exposure New Tab - Get a beautiful photo from Exposure in every new tab
microChange - Snapchat-Venmo hybrid for donating.
Google Arts & Culture - Explore collections of art and culture from around the world, both past and present.
The Groundwork - The API for building modern movements
New Tab Startup Quotes - Inspiring startup related quotes in every new Chrome tab.