Protopage - The best iGoogle alternative. Chris Pirillo calls Protopage "The best designed".
Humble New Tab Page - Redesigned new tab page featuring your bookmarks, apps, most visited, recently closed, and weather...
Netvibes - First personalized dashboard publishing platform for the Web. Digital life managment, Widget distribution services and brand observation rooms.
Spaaze - Spaaze is an infinite virtual cork board, and you can use it to do almost everything.
Favepad - An alternative start page with Facebook, Twitter, GMail, and Yahoo! Mail dynamic widgets.
Wibki - Wibki is a free easy way to save, share and discover your web.