Drip was founded in 2012 and is headquartered in Chicago, USA, as an ecommerce CRM and email automation platform built for online retailers. Deep ecommerce data integration, behavioral trigger workflows, and a dynamic segmentation engine help brands automate their full customer lifecycle.
Customer.io was founded in 2012 and is headquartered in Portland, USA, as a behavioral email and message automation platform. An event-driven engine, visual customer journeys, and multi-channel reach help product and marketing teams send personalized messages in real time based on real user behavior.
ConvertKit (rebranded as Kit in 2024), founded in 2013 and headquartered in Boise, Idaho, is an email marketing platform built for content creators, serving 500K+ creators. It is known for tag-based subscriber management, visual automation workflows, and digital product delivery across blogging, YouTube, podcasting, and online education.
Campaign Monitor was founded in 2005 and is headquartered in Sydney, Australia, as an email marketing and marketing automation platform. Drag-and-drop editing, visual customer journeys, and a transactional email API help brands run effective email marketing.
Brevo (formerly Sendinblue), founded in 2012 and headquartered in Paris, France, is an omnichannel marketing platform unifying email, SMS, WhatsApp, live chat, and CRM. It serves 500K+ business customers, with a free plan of 300 emails per day and unlimited contacts.
AWeber, founded in 1998 and headquartered in Chalfont, Pennsylvania, is an email marketing service for SMBs serving 100K+ business customers. It is known for 700+ email templates, high deliverability, and excellent customer support, with a free plan of 500 subscribers.
Twilio SendGrid was founded in 2009 and is headquartered in Denver, USA, as an email sending API and marketing platform processing 80B+ emails daily. REST API and SMTP integration serve startups to Fortune 500 companies.
Mailgun was founded in 2010 and is headquartered in San Antonio, USA, as a developer-focused email sending API platform. Flexible routing, email validation, and real-time logs help businesses build reliable transactional email, with 50,000 free emails per month.
Mailchimp was founded in 2001 and is headquartered in Atlanta, USA, serving 14M+ users as an email marketing and marketing automation platform. It integrates email marketing, customer journey automation, and CRM, now operating under Intuit.