Optmyzr - Optmyzr AdWords Tools. Optimization Solutions, Quality Score Tracker, Landing Page Checker, and more. Free Trial Available.
Freshmarketer - An all-in-one CRO suite.
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.
SiteSpect - Enterprise A/B and Multivariate Testing
Five Second Test - Five Second Test is another conversation rate optimization software that lets you test your landing pages, logos, brochures and all the other kind of marketing material.
SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters