Workona - A better way to work in the browser.
Humble New Tab Page - Redesigned new tab page featuring your bookmarks, apps, most visited, recently closed, and weather...
Session Buddy - Manage Your Browser Sessions
MyFav.es - The dead simple start page.
Toby - Better Than Bookmarks
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.