HEML

What it does

HEML is an open source markup language for building responsive email. It gives you the native power of HTML without having to deal with all of the email quirks. HEML makes building emails as easy as building websites.

Do you know HTML and CSS? Check out our docs and you're off to the races! No special rules or styling paradigms to master. HEML is designed to take advantage of all that email can do while still providing a solid experience for all clients. You can create your own powerful elements and style rules. Share them with the world, or keep em to yourself. Yourfrom heml.io

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  mjml.2016 · mjml.io · ▲550

  The open source framework for responsive emails

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  MJML App2016 · mjmlio.github.io · ▲254

  The only app that makes responsive email easy

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  Email.md – Markdown to responsive, email-safe HTMLMar 2026 · emailmd.dev · ▲380

  Turn markdown into responsive, email-safe HTML that renders perfectly across every client.

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  Topol.io2017 · topol.io · ▲421

  Beautiful HTML e-mails easily

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  HTML Email2016 · htmlemail.io · ▲783

  Responsive HTML email templates for startups & developers

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  new.email by Resend2025 · resend.com · ▲258

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  Dev tools · 2d ago · dev-null.sh

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  Dev tools · 22d ago · openbot.run

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  Talanoa▲340

  Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…

  Dev tools · 20d ago · talanoa.email

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