New Tab by Flickr - Get a beautiful photo each time you open a new tab
Being - See Instagram through the eyes of your favorite celebrities
New Tab Startup Quotes - Inspiring startup related quotes in every new Chrome tab.
Headspace - Meditation made simple. Brilliant things happen in calm minds.
Less Boring New Tab - Your browser deserves a better new tab page
Plum Village - Free mindfulness app w/ Zen Buddhist meditations + teachings