DueDil - DueDil is a private company research tool for B2B lead generation and risk management.
Optmyzr - Optmyzr AdWords Tools. Optimization Solutions, Quality Score Tracker, Landing Page Checker, and more. Free Trial Available.
Q-Stats - Get free marketing insights for every question on Quora.
Freshmarketer - An all-in-one CRO suite.
Funderbeam - Where Growth Companies are Funded and Traded Across Borders
Crazy Egg - Through Crazy Egg's heat map and scroll map reports you can get an understanding of how your visitors engage with your website so you can boost your conversion rates.