MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Optimizely - A/B testing you'll actually use.
Brevo - Innovative online Email Marketing solution to manage your contacts, create & send your newsletters and track your results. More than 80 000 clients. Best prices and attractive features.
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.
VWO - Use VWO to tweak, optimize & personalize your website with minimal IT help.