ActiveCampaign
activecampaign.comMarketing
Marketing automation with a real CRM attached, aimed at small businesses that want workflows without HubSpot's price tag.
Other products from Marketing
The all-in-one marketing and CRM suite that scales from a free tier to enterprise, though it gets pricey and bloated fast as you grow.
Behavior-triggered email, push, and SMS journeys built for tech companies that actually have event data to work with.
The default marketing automation layer for Shopify stores — deep ecommerce data baked in, less useful if you're not selling products.