Mailchimp is described as 'All-in-one platform for creating, automating, and sending marketing emails, building landing pages, running ad campaigns, and analyzing audience engagement' and is a very popular Email Marketing service in the business & commerce category. There are more than 100 alternatives to Mailchimp for a variety of platforms, including Web-based, SaaS, Self-Hosted, Windows and iPhone apps. The best Mailchimp alternative is HubSpot, which is free. Other great apps like Mailchimp are Brevo, GetResponse, Sendgrid and Adobe Marketo Engage.