Toby - Better Than Bookmarks
Workona - A better way to work in the browser.
Tabbie - The missing tab manager for Chrome
Focus - New Tab page that gives you a moment of calm and inspires you to be more productive.
OneTab - Whenever you find yourself with too many tabs, click the OneTab icon to convert all of your tabs into a list. When you need to access the tabs again, you can either restore them individually or all at once.
Snooze Tabby - A simple way to snooze your tabs for later