eMarketer - eMarketer is an independent market research company that provides insights and trends related to digital marketing, media and commerce.

Optimizely - A/B testing you'll actually use.

CB Insights - CB Insights is a company database for the venture capital and corporate development community.

Evergage - Evergage's real time web personalization software can help you boost engagement, increase revenue and drive more conversions. Web personalization software that's easy to use.

Owler - Owler is a crowdsourced data model allowing users to follow, track, and research companies.

Google Analytics - Improve your website to increase conversions, improve the user experience, and make more money using Google Analytics. Measure, understand and quantify engagement on your site with customized and in-depth reports.