Mailchimp is the gold standard for the marketing automation market as one of the most powerful and versatile tools out there. With Mailchimp, you can easily build targeted campaigns, newsletters, landing pages, complex automation workflows, and much more.
HubSpot CRM is an all-round customer relationship management tool that offers an incredible range of features for all businesses, from small startups to large enterprises. This complete CRM platform helps companies increase leads, accelerate sales, streamline customer service, and much more.
PieSync offers the only solution in the market to keep your customer data in sync two-ways and in real time, processing new entries as well as historical data. Your contacts are kept in sync automatically, so you don't need to worry about it once the configuration is set up.