Customer.io Newsletter is Customer.io's product line for email and message automation, founded in 2012 in Portland, USA, using an event-driven engine and visual customer journeys to send personalized emails and push based on real user behavior.
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3 results shownActiveCampaign Newsletter is ActiveCampaign's email marketing product line, founded in 2003 in Chicago, USA, combining visual automation workflows, behavior triggers, and multichannel reach for 180K+ business customers.
Mautic is an open-source marketing automation platform launched in 2013, GPL-licensed and self-hostable, serving 200,000+ users with email marketing, lead scoring, and customer journeys.