Kit is an email platform built for creators. People sign up through a form, you tag them, and you send them emails, either one-off or on autopilot. 👉 https://kit.com How it works: 1. Build a form or a landing page. Anyone who fills it in becomes a subscriber on your list. 2. Tag subscribers by where they came from or what they asked for. Segments group people by those tags, so you can email one slice of the list. 3. Send a broadcast. That's a one-off email to everyone or to one segment, like a weekly newsletter. 4. Set up a sequence, a run of emails that goes out on its own after someone joins. A welcome series is the classic one. Visual Automations chain sequences and tags together. For builders, Kit has an API (v4). An API key covers automating your own account, and OAuth is there if you're building an app for other creators. Webhooks can ping your own system when something changes. So an n8n workflow or a Claude Code script can add people to your list from any form or page you build. On cost: the Free plan covers up to 10,000 subscribers with unlimited forms, landing pages and broadcasts, plus tagging. Sequences, Visual Automations, apps and integrations and the Kit MCP start on Creator, at $33 a month for 1,000 subscribers (17% less paid yearly). What would you send a list if you started one this week?