Go to Tab - Manage your chrome tabs easily when you're multitasking

Toby - Better Than Bookmarks

Session Buddy - Manage Your Browser Sessions

Snooze Tabby - A simple way to snooze your tabs for later

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.

xTab - Limit the maximum number of tabs you can open at once