Momentum - Agile goal and performance management
Cosurf - A browser for two on iPad
New Tab by Flickr - Get a beautiful photo each time you open a new tab
windOCD - Put Mac windows in their places!
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.
Mue - Fast, open and free-to-use new tab page for modern browsers.