Detox for Facebook - Replace your Facebook feed with PH, HN, DN and more.
Workona - A better way to work in the browser.
Focus - New Tab page that gives you a moment of calm and inspires you to be more productive.
Go to Tab - Manage your chrome tabs easily when you're multitasking
Facebook friends feed - Facebook with stories only by friends and pages you follow
Toby - Better Than Bookmarks