A field guide to the twelve email marketing platforms worth a business's money in 2026 - from Mailchimp's all-rounder ecosystem and Klaviyo's ecommerce muscle to Brevo's generous free tier, ActiveCampaign's deep automation, and beehiiv's creator-first newsletter engine. Email still returns roughly $36 to $42 for every dollar spent, and the tool you pick decides how much of that you actually keep.

Nathan Barry is the founder and CEO of Kit (formerly ConvertKit), a $45M+ ARR bootstrapped email marketing and creator platform serving 60,000+ creators. A former self-taught designer who dropped out of Boise State, Barry built ConvertKit from $0 to a $200M valuation without a dollar of venture capital, turned down a $200M acquisition from Spotify, wrote viral frameworks like 'The Ladders of Wealth Creation,' and is now building Kit as the operating system for the creator economy while also flying a Cirrus SR22T, farming, and investing in a historic ghost town.