Email Marketing

259+ email tools for developers — transactional APIs, newsletter platforms, and drip campaigns. Alternatives to Mailchimp and SendGrid.

Hectane

Lightweight SMTP client providing an HTTP API

Email Marketing
gosmtpserver
Visit → 225★
go-simple-mail

Very simple package to send emails with SMTP Keep Alive and two timeouts: Connect and Send

Email Marketing
goemailsmtp
Visit → 693★
xyOps

Workflow automation and server monitoring

Email Marketing
emaildeliverabilityspf
Visit → 3634★
Figranium

Browser automation and extraction tool

Email Marketing
email-templatevisual-editordesign
Visit → 414★
go-imap

Batteries-included IMAP client with auto-reconnect, OAuth2, IDLE support, and built-in MIME parsing

Email Marketing
goimapemail
Visit → 97★
Sendune

A comprehensive platform for managing transactional and marketing emails through AWS SES, featuring customer data management, SMS capabilities, and workflow automation.

Email Marketing
self-hostedemailcampaigns
Visit → 2097★
jdrouet/catapulte

A microservice to send emails using [MRML](https://github.com/jdrouet/mrml) templates

Email Marketing
rustemailpdf
Visit → 149★
Zyntra

Unlimited e-mail inboxes with API/UI access for automation and QA

Email Marketing
email-marketingautomationcampaigns
Visit →
Anymail finder

Verify and find email APIs

Email Marketing
email-finderverificationprofessional
Visit →
FormSpree

Receive form submissions by email

Forms & Surveys
form-backendstatic-sitessubmissions
Visit →
smtp

SMTP server protocol state machine

Email Marketing
gosmtpserver
Visit → 76★
mailx

Mailx is a library that makes it easier to send email via SMTP. It is an enhancement of the golang standard library

Email Marketing
emailclisendmail
Visit → 21★
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