Buttondown
Simple, developer-friendly newsletter hosting with Markdown writing and an API.
Heads-up: Fewer marketing features than full ESP suites; paid plans for larger lists.
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Visit Buttondown ↗Email tools
5 tool(s), each linked to the official site.
Kit
Email marketing and creator newsletter platform (formerly ConvertKit) with automations, forms and landing pages.
Heads-up: Pricing scales with subscriber count; you still need consent and a clear unsubscribe.
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Visit Kit ↗Loops
Email platform for SaaS teams covering marketing, lifecycle and transactional email from one product.
Heads-up: Pricing scales with contact count; you still need consent for marketing email.
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Visit Loops ↗Postmark
Email delivery service (API and SMTP) for transactional and marketing mail, known for deliverability.
Heads-up: Paid beyond a small free developer allowance; keep marketing and transactional streams separate.
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Visit Postmark ↗Resend
Developer-friendly email API for transactional and newsletter sending.
Heads-up: Needs a verified domain for best results.
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Visit Resend ↗