New Tab by Flickr - Get a beautiful photo each time you open a new tab
eSolidar - Charity shops and online auctions to support great causes
Exposure New Tab - Get a beautiful photo from Exposure in every new tab
UpEffect - Crowdfunding for social good products
Less Boring New Tab - Your browser deserves a better new tab page
Public Design Vault - 500+ design tools for public good, all in one place