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Nodemailer

nodemailer/nodemailer

Popular

The standard SMTP email-sending module for Node.js.

Resend

resend.com

Trending

Developer-focused transactional email API with first-class React Email support.

React Email

resend/react-email

Trending (detected automatically)

Build responsive HTML emails with React components and preview them locally.

Amazon SES

aws.amazon.com

Popular

Low-cost, high-volume email sending service on AWS.

Twilio SendGrid

sendgrid.com

Long-established transactional and marketing email API from Twilio.

MJML

mjmlio/mjml

Markup language that compiles to responsive, client-safe HTML email.

Mailpit

axllent/mailpit

Local SMTP testing server with a web UI; the maintained successor to MailHog.