Cato - Instant Spotlight-like search for your web browser.
Raindrop.io - All your articles, photos, video & content from web & apps in one place.
Salestools - Monitor your Linkedin newsfeed for keywords to obtain leads.
Pocket - When you find something you want to view later, put it in Pocket.
Tab Butler - A tab manager at your service.
Diigo - Diigo is a powerful research tool and a knowledge-sharing community