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.
Salesforce is one of the largest and most comprehensive CRM solutions in the world. With Salesforce, businesses have ample scope for complexity and personalization; and it helps sales, marketing and service teams work better together by providing them with a single, shared view of customers.
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.