Workona - A better way to work in the browser.
Raindrop.io - All your articles, photos, video & content from web & apps in one place.
Session Buddy - Manage Your Browser Sessions
Linkman - Linkman Pro allows for managing large amount of URLs in its own database.
Toby - Better Than Bookmarks
Pocket - When you find something you want to view later, put it in Pocket.