Netvibes - First personalized dashboard publishing platform for the Web. Digital life managment, Widget distribution services and brand observation rooms.
Minimo - An elegant, simplified new tab page
Protopage - The best iGoogle alternative. Chris Pirillo calls Protopage "The best designed".
Mustsee - Discover the world’s most beautiful places
start.me - A Modern-day bookmark manager. A place for your favorites. A news feed (RSS) reader. A browser startpage. A portal for your team.
Less Boring New Tab - Your browser deserves a better new tab page