Raindrop.io - All your articles, photos, video & content from web & apps in one place.

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

Toby - Better Than Bookmarks

Linker - Cloud based bookmark manager

Tabs Outliner - Next Generation Session, Windows, Tabs Manager and a TooManyTabs Solution That Really Works.