iGoogle Portal - First of all, it merits mentioning here that this personalized platform by no means equal to iGoogle.
Kadaza - Easy-to-use internet Homepage and Personal Start Page. Clear overview of the most popular websites in the U.S. Set as your Homepage for instant access to your favorite websites.
All My Faves - Visual homepage that specializes in logo-based bookmarks and in the best top 10 sites of each category. This ultimate homepage makes the Internet an easier place.
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.
Aboogy - Aboogy is designed to be your perfect homepage.
Protopage - The best iGoogle alternative. Chris Pirillo calls Protopage "The best designed".