Overview Kit — the platform formerly known as ConvertKit until its 2024 rebrand — is what happens when you decide that email marketing for creators should behave like a real business toolkit, not a glorified send blast tool. It was founded in 2013 by Nathan Barry, a self published designer who was frustrated that Mailchimp treated a novelist and a Fortune 500 retailer the same way. Twelve years later, Kit runs the newsletters, funnels, product launches, and audience growth loops for a huge slice of the world's serious course creators, coaches, indie authors, and info product operators. The rebrand wasn't cosmetic. It signaled a genuine shift: Kit is no longer just an email service provider. It sells digital products directly, hosts landing pages and forms, ships an audience growth network (Creator Network) that surfaces you to other newsletters' subscribers at signup, and gives you the deepest visual automation builder in the creator tooling space. If you're running a business where email drives revenue, Kit is the platform designed around that assumption from the first pixel. The tradeoff is honesty about who Kit is not for. If you're a pure writer who wants to publish an essay and let the platform find your audience, Kit is not that — Substack is. If you're a media operator chasing subscriber count and ad revenue, Kit is not that either — Beehiiv is. Kit wins when email is the funnel, when a paid product waits at the end of the sequence, and when tags…