Mailchimp is an email marketing platform for creating campaigns, automating follow-ups, and analyzing audience behavior.

Email builder - Designs campaigns with custom-coded or pre-built templates and pop-up forms.
Automations - Runs welcome sequences, win-back flows, and behavior-based messages.
Audience tools - Segments contacts, tracks growth and funnels, and adds predictive insights.
SMS add-on - Sends text messages on paid plans in supported countries.
Integrations - Connects Shopify, WooCommerce, Salesforce, QuickBooks, Canva, Stripe, and more than 300 apps.
Reports - Reviews opens, clicks, and revenue per campaign.

It is used by small businesses, e-commerce stores, creators, and agencies that run newsletters and lifecycle emails.

A free plan is available, with paid Essentials, Standard, and Premium plans priced by contact count and a 14-day Standard trial.