A marketing automation platform with genuinely deep workflow logic, plus a built-in lightweight CRM.
Visit ActiveCampaignActiveCampaign's automation builder is one of the most powerful in this price range — real branching logic, lead scoring, and CRM data all in one flow. The tradeoff is a steeper learning curve than Mailchimp or ConvertKit; it rewards teams willing to actually build out automations rather than send one-off newsletters.