Workona - A better way to work in the browser.

Bookmark OS - Bookmark OS is like Mac or Windows optimized for bookmarks.

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.

Bookmark It - Create awesome notes on YouTube videos

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

PageMarker - Save, organize, annotate and revisit your bookmarks