1541 Open source projects that are alternatives of or similar to Mailio

VMime Mail Library

Skirnir Email Server

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

asynchronous library for sending and receiving mail via fs2._

Emails at the heart of your business logic!

Insular email distribution - mail server as Docker images

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

mnm implements TMTP protocol. Let Internet sites message members directly, instead of unreliable, insecure email. Contributors welcome! (Client)

Official master for the Greenmail project

Simple, modern & fast web-based email client

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

💌 Mail app for Nextcloud

Email-based instant messaging for Desktop.

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

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

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.

🌰️🐿️ SquirrelMail GitHub Repository (PHP 7-OK!)

Fortran 2008 interface bindings to libcurl

IMAP client library for Rust

⚡️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.

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

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

mailcow: dockerized - 🐮 + 🐋 = 💕

Cypht: Lightweight Open Source webmail written in PHP and JavaScript

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

The complete and secured Mail Client for ESP32, sending and reading the E-mail through the SMTP and IMAP servers.

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

Event-driven networking engine written in Python.

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

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

✉️ Composable all-in-one mail server.

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

Laravel IMAP is an easy way to integrate both the native php-imap module and an extended custom imap protocol into your Laravel app.

Eventum Issue Tracking System

IMAP or SMTP honeypot written in Golang

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

small mail server

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

The Hoa\Mail library.

Fake Protocol 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.

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

Poste.io plugin for Dokku

Run ProtonMail Bridge in a docker container

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

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

Self-hosted server for the ProtonMail client

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

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.

NPF: packet filter with stateful inspection, NAT, IP sets, etc.

small C GIF encoder

Libosmscout is a C++ library for offline map rendering, routing and location lookup based on OpenStreetMap data

Android 3rd party library to make implementing galleries more easier

Marvelous sliding square loader view

🔪 Strictly RFC 3986 compliant URI parsing and handling library written in C89; moved from SourceForge to GitHub

A Curated List of Dataset and Usable Library Resources for NLP in Bahasa Indonesia

Common libraries and data structures for C.

A Unity-3D library, to procedural orientate character head (and chest) in a direction without using any animation data.

Dublin Traceroute is a NAT-aware multipath tracerouting tool

Collection of custom steps and variables for our Jenkins instance(s)