443 Open source projects that are alternatives of or similar to Sendgrid Go

Open-source live customer chat

React component library to generate the HTML emails on the fly

💌💨 Email Campaign Delivery built with GoLang inspired by GoHugo

Send email campaigns using Laravel

A Domain Name & Email Address Collection Tool

a easy solution for simple IMAP email access in php

Prometheus Alertmanager

A cross-platform IMAP library for .NET, supporting .Net 2.0 - 4.5, Mono and Windows Phone

An extension for Thunderbird that allows you to view threads as "real" conversations, including your own emails. This extension also adds a bunch of useful UI features in the conversation view.

Super simple email open/click tracking server.

An open source email campaign management tool for nonprofits

A Docker container which runs the mbsync tool automatically to synchronize your email

Object-oriented, fully tested PHP IMAP library

Send emails from ioBroker

Fully functional Open Source email marketing manager for creating, sending, integrating, and analysing email campaigns and newsletters.

An add-on to support woocommerce custom emails

MFCMAPI

Copper mail : comprehensive email solution which can be readily deployed without complex configurations.

This package provides convenient methods to integrate the NeverBounce API into your project.

Companion add-on for Firefox Relay. Keep your email safe from hackers and trackers. Make an email alias with one click, and keep your address to yourself.

Terminal-based Mail User Agent

⚡️Arduino Mail Client Library to send, read and get incoming mail notification for ESP32, ESP8266 and SAMD21 devices. The library also supported other Arduino devices using Clients interfaces e.g. WiFiClient, EthernetClient, and GSMClient.

Full-featured, open source mail server solution for mainstream Linux/BSD distributions.

😎 Chrome extension to fetch the email ID of a user even if they haven't made it public on their GitHub profile

Glass - ISC DHCP Server Interface

Group Office groupware and CRM

The best (weekly) newsletters

💌 An extensible desktop mail app built on the modern web. Forks welcome!

A graphical threads-with-tags style, lightweight and fast, e-mail client for Notmuch

Functional HTML forms for Front-End Developers.

A Gulp workflow for maintainable email templates

🐳 A lightweight non-root Docker image for an Exim mail relay, based on Alpine Linux.

Mail new tasks to your TaskWarrior inbox

A Python Mail Server

A Maizzle starter based on Postmark's transactional email templates.

Delta.Chat C-Library with e2e chat-over-email functionality & Python bindings

Backitup enables the cyclical creation of backups of an IoBroker / Homematic installation

Dovecot mail server

A Hugo theme component to cloak email adresses

Fast email-fetching and sending and two-way tag synchronization between notmuch and GMail

GitHub Action that triggers e-mails with release notes when these are created

NodeJS app to send form submissions by email

💌 An extensible desktop mail app built on the modern web.

Jigsaw-based PHP build system for rapid HTML email development with Tailwind CSS.

MJML starter kit, create responsive emails very quickly using MJML and this productive toolchain

A throwaway smtp server with API

Delta Chat Rust Core library, used by Android/iOS/desktop apps and bindings

Simple Keylogger with smtp to send emails on your account using python works on linux and Windows

📪 可能是最小的 Java 邮件发送库了，支持抄送、附件、模板等功能。

Python library and CLI for accurately querying username and email usage on online platforms

Sieve Script Editor

isBizMail tells you whether a given email address belongs to a free email account provider (gmail.com, yahoo.es, yandex.ru etc) or not.

SparkPost client library for Elixir https://developers.sparkpost.com

MailTrap has been renamed to Sendria. Please use Sendria now, MailTrap is abandoned. MailTrap is a SMTP server designed to run in your dev/test environment, that is designed to catch any email you or your application is sending, and display it in a web interface instead of sending to real world.

Jenkins Email Extension Plugin

Events aggregator and newsletter

[DEPRECATED] - Official Node.js client library for the Context.IO Email API

A Gatsby email *application*

Add a simple contact form to your Craft CMS site.

A Django-powered contact form