Klaviyo

Advanced marketing automation and CRM with 900+ automations recipes and AI-powered sending

EU-based all-in-one CRM suite — email, SMS, WhatsApp, and marketing automation

Newsletter platform built for growth — boosts, referral programs, and ad network monetization

Creator-first email platform for newsletters, digital products, and audience monetization

The original email marketing platform — now with advanced AI automations and Intuit integration

Simple, affordable email marketing with a generous free plan and beautiful drag-and-drop editor