HubSpot
by HubSpot
Free
All-in-one CRM, marketing, sales, and service platform.
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Best Email Marketing
Email campaigns and automation.
Klaviyo
by Klaviyo Inc.
Free
Email and SMS marketing platform built for e-commerce with deep Shopify integration.
Mailchimp
by Intuit
Free
The world's most popular email marketing platform with automation, landing pages, and CRM.
Zoho One
by Zoho Corporation
$37/mo
All-in-one business suite — 40+ apps including CRM, HR, accounting, and marketing for one per-user price.