Tabbie - The missing tab manager for Chrome

Workona - A better way to work in the browser.

Peek A Tab - A simple, effortless tab manager for chrome

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.

Tablerone - Browser extension for saving, organising, and exporting tabs. Save multiple tabs with one click. Get more done with a clean browser.

across-tabs - Easily communicate among browser tabs