PHPMailer / PHPMailer

The classic email sending library for PHP

nodemailer / nodemailer

✉️ Send e-mails with Node.JS – easy as cake!

maildev / maildev

:mailbox: SMTP Server + Web Interface for viewing and testing emails during development.

premailer / premailer

Preflight for HTML email

lettre / lettre

a mailer library for Rust

rustmailer / bichon

Bichon – A lightweight, high-performance Rust email archiver with WebUI

anymail / django-anymail

Django email backends and webhooks for Amazon SES, Brevo, MailerSend, Mailgun, Mailjet, Mailtrap, Postmark, Postal, Resend, Scaleway TEM, SendGrid, SparkPost, Unisender Go and more

nodemailer / mailparser

Decode mime formatted e-mails

SteveSuv / remix-words-funny

一个英语单词学习网站

symfony / mailer

Helps sending emails

Mindbaz / awesome-opensource-email

Awesome Opensource Email Resources

mailerlite / laravel-elasticsearch

An easy way to use the official Elastic Search client in your Laravel applications.

nodemailer / smtp-server

Create custom SMTP servers on the fly

nest-modules / mailer

📨 A mailer module for Nest framework (node.js)

honeybadger-io / heya

Heya 👋 is a campaign mailer for Rails. Think of it like ActionMailer, but for timed email sequences. It can also perform other actions like sending a text message.

milkshakesoftware / PreMailer.Net

C# library that moves your stylesheets to inline style attributes, for maximum compatibility with E-mail clients.

dahlia / upyo

Upyo is a simple and cross-runtime library for sending email messages using SMTP and various email providers. It works on Node.js, Deno, Bun, and edge functions.

KumoCorp / kumomta

The first Open-Source high-performance MTA developed from the ground-up for high-volume email sending environments.

rustmailer / rustmailer

A self-hosted Email Middleware for IMAP, SMTP, Gmail API, Graph API — built for developers

opencoredev / email-sdk

One simple SDK for transactional email across 23 adapters

devjitpanja / WiMailer

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