MailChimp - MailChimp is the best way to design, send, and share email newsletters.
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.
Campaign Monitor - Email marketing software built for designers and their clients to run successful email campaigns.
Adobe Analytics - Adobe Analytics is an industry-leading solution that empowers you to understand your customers as people and steer your business with customer intelligence.
Constant Contact - Constant Contact offers email marketing, social media marketing, online survey, event marketing, digital storefronts, and local deals tools.
Mixpanel - Mixpanel is the most advanced analytics platform in the world for mobile & web.