# Automation & lifecycle

Welcome flows, onboarding, abandoned-cart, re-engagement, and event-driven journeys, and which tools (Customer.io, Klaviyo, Loops, ActiveCampaign, Brew) handle each pattern best.

- [Resend and React Email for transactional email](/posts/resend-react-email-stack)


Canonical: https://emailcanary.co/topics/automation

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