609 Open source projects that are alternatives of or similar to Mosaico

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.

An SMTP server that converts emails into Pushover notifications.

A .NET library to make MSG files without the need for Outlook

Golang package for send email. Support keep alive connection, TLS and SSL. Easy for bulk SMTP.

Self hosted newsletter app

Build, setup, update and refresh your modding environment!

Recursively copy all e-mail messages and folders from one IMAP account to another.

⛴ Docker images, and CI builders for Jekyll.

CLI tool for concealing e-mails in a file by replacing their domain

A fluent interface to create mappings using Schema.org for Microdata and JSON-LD.

MFCMAPI

My E-mail Signature

Simple message builder for Alexa replies.

Adds email sending capability to a Nuxt.js app. Adds a server route, an injected variable, and uses nodemailer to send emails.

Glass - ISC DHCP Server Interface

🔎 Node library for parsing plain text email content.

仿 Linux shell 命令的邮箱命令行客户端

A list of common eMail providers.

Asynchronous email client for your terminal

Provides email verification on the go.

A Python Mail Server

No-frills, easy to use, easy to maintain Email client for Android based on the JSON Meta Application Protocol (JMAP).

📮 Dialogflow + Sendgrid = AI Mailbox

Great script for sending and spaming emails! gmail, yahoo, outlook, hotmail.

A commandline tool to easily and privately handle your e-mail

Automated solution for hosting email, web, DNS, XMPP, and ZNC on OpenBSD.

📦🐋 Debian packaging with Docker

'DANE for SMTP' wiki

Sieve Script Editor

基于 Net.Mail 封装的发送邮件工具类。仅需一行代码，发送邮件。支持自定义邮件发出邮箱、发出方名字等。 支持SSL加密发送。 多个接收人、抄送人。支持群发独显。 支持添加附件、多个附件。 目前大部分主流邮箱全支持。

Extensible tool to build Arch Linux ARM for Raspberry Pi on x86_64 host using Docker

Dartson is a Dart library that can be used to convert Dart objects into a JSON string.

📮 Send a email using the Linking API

A PHP SQL query builder using PDO

It's a lightweight, fast and reliable Sendmail milter that implements the Sender Policy Framework

HEML is an open source markup language for building responsive email.

Horusec Platform is a set of web services that integrate with the Horusec CLI to facilitate the visualization and management of found vulnerabilities.

Mautic plugin to send emails from RSS

Easily inject environment variables into your Angular applications

Virtual Mailbox Administration

The SimpleLogin back-end

Smart Bulk Email Sender with Mail Merge, Delay between Emails and HTML Content

A cross-platform .NET library for IMAP, POP3, and SMTP.

Django Dynamic Email Settings - Change your email configuration without interrupting service.

FormBuilder + class-transformer + class-validator = dynamic form group builder for Angular10+

Emil is a library for dealing with E-Mail in Scala.

Drag and drop website builder javascript library.

A HomeMatic CCU Addon for sending Emails

A bot that posts messages to rooms when an email is received.

A list of disposable/temporary email address domains

.NET API services - Managed Push Notifications, Email Engine (Templates, loading, & sending), & Localization Abstractions

1kb Markdown builder for Node.js

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

Bootstrap 4 (and soon 5) stylesheet, compiler, and inliner for responsive and consistent emails with the Bootstrap syntax you know and love.

Laravel MJML offers support for rendering MJML syntax into in-line HTML that can be sent within mails.

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.

Write regular expressions in pure Java

A curses threads-with-tags style email client (mailing list: [email protected])

An unofficial desktop client for ProtonMail done with electron nativefier

⚡️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.