Rockmelt Mac

RockMelt isn't your grandpa's browser. First, it's got built-in chat, sharing, and instant website. In addition to being built on Google's open source Chromium project, RockMelt also integrates Facebook and is powered by back-end cloud services to give you a browser that:

1) Lets you share, chat, publish updates, and stay in touch on Facebook - all from within the browser;
2) Alerts you of updates to your favorite websites automatically;
3) Searches and previews results faster;
4) Syncs your bookmarks, preferences, feeds, apps, favorite friends, and more across your computers automatically;
5) Supports Chrome extensions and add-ons.