Workona - A better way to work in the browser.
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.
Tab Manager Plus for Chrome - The only tab manager you'll ever need
MultiNewTab - Use multiple 'New Tab' chrome extensions at the same time.
Toby - Better Than Bookmarks
Dashob - Web browser for dashboards and presentations made of web.