725 Open source projects that are alternatives of or similar to mnm-hammer

The legitimate email replacement — n-identity, decentralized, store-and-forward, open protocol, open source. (Server)

The magma server daemon, is an encrypted email system with support for SMTP, POP, IMAP, HTTP and MOLTEN,. Additional support for DMTP and DMAP is currently in active development.

Event-driven networking engine written in Python.

Reusable application for Django introducing a message delivery framework

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

Fullstack, security focused mailserver based on OpenSMTPD for OpenBSD using ansible

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.NET email library and proxy supporting IMAP, POP3, and SMTP with S/MIME and PGP.

OX COI Messenger - a Flutter app for the COI (Chat Over IMAP) standard

Mailozaurr is a PowerShell module that aims to provide SMTP, POP3, IMAP and probably some other ways to interact with Email. Underneath it uses MimeKit and MailKit libraries written by Jeffrey Stedfast.

small mail server

Poste.io plugin for Dokku

Library to send e-mails over different transports and protocols (like SMTP and IMAP) using immutable messages and streams. Also includes SMTP server.

mailcow: dockerized - 🐮 + 🐋 = 💕

A third-party, open-source ProtonMail CardDAV, IMAP and SMTP bridge

Cypht: Lightweight Open Source webmail written in PHP and JavaScript

✉️ Teaching an Old Dog New Tricks -- IRC: #neomutt on irc.libera.chat

Self-hosted server for the ProtonMail client

Golang mod_http_upload_external server for Prosody and Ejabberd

A protocol gateway for the Web.

QuickBlox iOS SDK for messaging and video calling

IMAP or SMTP honeypot written in Golang

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Instant messaging server for the Extensible Messaging and Presence Protocol (XMPP).

A bridge written in Golang to receive and write emails in matrix

Run ProtonMail Bridge in a docker container

End-to-end encrypted email for the mesh networking age

⚡️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.

SMTP and IMAP checker / cracker for mailpass combolists with a user-friendly GUI, automated inbox test and many more features.

Simple, modern & fast web-based email client

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

Official master for the Greenmail project

The ISPDB, Thunderbird's database of mail configuration files.

💌 Mail app for Nextcloud

Email-based instant messaging for Desktop.

Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container.

Emails at the heart of your business logic!

mailio is a cross platform C++ library for MIME format and SMTP, POP3 and IMAP protocols. It is based on standard C++ 17 and Boost library.

Eventum Issue Tracking System

✉️ Composable all-in-one mail server.

asynchronous library for sending and receiving mail via fs2._

DavMail POP/IMAP/SMTP/Caldav/Carddav/LDAP Exchange and Office 365 Gateway - Synced with main subversion repository at

Chat SDK Android - Open Source Mobile Messenger

ChatSecure is a free and open source encrypted chat client for iOS that supports OTR and OMEMO encryption over XMPP.

Insular email distribution - mail server as Docker images

Chat SDK iOS - Open Source Mobile Messenger

Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots

IMAP, POP3 and SMTP clients for Dart developers. Contains both low level as well as a high level API.

A light-weight, modular, message representation and mail delivery framework for Python.

Simple Python API that that allows you to send texts via SMTP with a best effort approach and process replies via IMAP

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JavaScript SDK of QuickBlox cloud backend platform

Q-municate iOS repository

Skirnir Email Server

Read and write email files (MSG, EML, MHTML), and compose, receive and send email messages using POP, IMAP, SMTP, and EWS in a simple and efficient way.

VMime Mail Library

An elegant ready to go chat view controller for iOS applications

Highly optimized, extremely modular and very flexible XMPP/Jabber server

XEP-0384: OMEMO Encryption for libpurple.