Subtle tab - A new tab chrome and firefox browser plugin that gives rejoicing experience to relieve stress, increases focus and productivity.
Exposure New Tab - Get a beautiful photo from Exposure in every new tab
Momentum - Agile goal and performance management
Less Boring New Tab - Your browser deserves a better new tab page
ProductivityTab - ProductivityTab is a popular chrome extension that comes with more than fifty featured widgets, breathtaking backgrounds, and much more.
NatGeo NewTab - Displays the NatGeo Photo of the Day on opening a new tab