Humble New Tab Page - Redesigned new tab page featuring your bookmarks, apps, most visited, recently closed, and weather...
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.
Spaaze - Spaaze is an infinite virtual cork board, and you can use it to do almost everything.
Protopage - The best iGoogle alternative. Chris Pirillo calls Protopage "The best designed".
Netvibes - First personalized dashboard publishing platform for the Web. Digital life managment, Widget distribution services and brand observation rooms.
MyFav.es - The dead simple start page.