React Email

Judgement

What it is

Developer tool

What it does

A set of React components and a preview server for writing HTML emails as React code and rendering them to email-safe HTML.

Adopt it when

Your team writes React and wants maintainable, previewable email templates for any sending provider.

Watch out

Email client quirks still apply, so test in real clients.

Ready for

Production-ready

Runs as

Library and command line

Built with

TypeScript and React

How established

Established: started 4 years ago, latest release react-email@6.11.6.

What the license allows

You can build it into a product you sell, as long as you keep its copyright notice.

Judged on 2026-11-03 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

Follow it down: React Email → TypeScript → Go → runs on a microchip

How compilers were built, back to punched paper tape

Open-source alternatives to React Email

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Commercial email sending platforms and email templating tools

1. 1
   SendGrid Twilio

   SendGrid's trusted email API and marketing campaigns platform is now available through Twilio.com.

   Building block Production-ready An application needs to send high volumes of email through a well-known API.

   283 readers a month Since 2009 Commercial
2. 2
   Amazon SES Amazon Web Services

   Amazon Simple Email Service (SES) is a cost-effective, flexible, and scalable email service provider that allows developers to send email from within any application.

   Building block Production-ready You send large volumes of email, run on AWS and can manage deliverability yourself.

   Commercial
3. 3
   Mailgun Sinch

   Powerful Transactional Email APIs that enable you to send, receive, and track emails, built with developers in mind. Learn more today!

   Building block Production-ready Developers need to send transactional email and also parse inbound email into their application.

   64 readers a month Since 2010 Commercial
4. 4
   Postmark ActiveCampaign

   Send transactional and marketing emails and get them to the inbox on time, every time. Postmark is a fast and reliable email delivery service for developers.

   Building block Production-ready Password resets, receipts and other critical app email must arrive quickly and reliably.

   Commercial
5. 5
   Resend Resend

   The best way to reach humans instead of spam folders. Deliver transactional and marketing emails at scale.

   Building block Usable A modern web app team, especially using React and Next.js, wants a clean email API that is quick to integrate.

   Commercial