Isotope Mail Client - Microservice based webmail client built with ReactJS and Spring

•    Java

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Isotope Mail client is a microservice based webmail client built with ReactJS and Spring. One of the main reasons to develop Isotope Mail is to learn and showcase new technologies, frameworks and libraries and how they can be used in a real life product. There is a stronger focus on achieving top quality code rather than delivering a large number of features.

web-mail webmail e-mail mail mail-client email-client

Roundcube Webmail - Browser-based multilingual IMAP client

•    PHP

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Roundcube Webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality you expect from an email client, including MIME support, address book, folder management, message searching and spell checking.

imap impa-client webmail mail-client mail webmail-client web-mail

Hastymail - IMAP/SMTP client in PHP

•    PHP

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Hastymail is a fast, secure, rfc-compliant, cross-platform IMAP/SMTP client application written in PHP providing a clean web interface for sending and reading E-mail. It is compatible with PDAs, phones, text browsers, and all mainstream browsers. The ability to use a database for storing user settings, contacts, and plugin data, with support for both Postgresql and Mysql.

mail email-client webmail mail-client webmail-client web-mail imap-client

Mailspring - A beautiful, fast Webmail

•    Javascript

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Mailspring is built on the modern web with Electron, React, and Flux. It is designed to be extensible, so it's easy to create new experiences and workflows around email.

email mail electron osx electron-app imap webmail mail-client email-client

Cypht - Lightweight Open Source webmail written in PHP and JavaScript

•    PHP

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All your E-mail, from all your accounts, in one place. Cypht is not your father's webmail. Unless you are one of my daughters, in which case it is your father's webmail. Cypht is like a news reader, but for E-mail. Cypht does not replace your existing accounts - it combines them into one. And it's also a news reader..

webmail webmail-client imap pop3 smtp news-reader rss atom e-mail mail-client email-client

Rainloop Webmail - Simple, modern & fast web-based email client

•    PHP

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Simple, modern & fast web-based email client.Modest system requirements, decent performance, simple installation and upgrade, no database required - all these make RainLoop Webmail a perfect choice for your email solution.

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Mailpile - Mordern Web Mail

•    Python

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Mailpile is a modern web-mail you run on your own computer. It is a personal e-mail searching and indexing tool, largely inspired by Google's popular proprietary-but-gratis e-mail service. It wants to eventually become a fast and flexible back-end for awesome personal mail clients, including webmail. It supports importing archived mails from Gmail, IMAP server, Mbox etc. It supports PGP encryption and verification of emails and recipients.

webmail web-mail mail-client mail secure-mail pop3 imap

SharpWebMail - ASP.NET Webmail Application

•    CSharp

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SharpWebMail is an ASP.NET webmail application that is written in C#. It uses a POP3 or IMAP servers as the mailstore and sends mail through a SMTP server. It is very simple to configure (only a few settings in the web.config file). You can compose HTML messages, search your inbox, read complex mime messages, have multiple address books and much more.

webmail web-mail smtp mail-client pop3 imap mail-store

Modoboa - Mail hosting made simple

•    Python

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Modoboa is a mail hosting and management platform including a modern and simplified Web User Interface. It provides useful components such as an administration panel or a webmail. Its main features include Administration panel, Amavisd-new frontend, Webmail, Per-user Sieve filters, Autoreply messages for Postfix, Graphical statistics about email traffic and lot more.

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ProtonMail - Web client for the ProtonMail secure email service

•    Javascript

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ProtonMail provides secure email service. All emails are secured automatically with end-to-end encryption. This means even we cannot decrypt and read your emails. As a result, your encrypted emails cannot be shared with third parties.

secure-mail encryption email-client email-encryption webmail

Tutanota - Encrypted MailBox

•    Javascript

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Tutanota automatically encrypts all your data on your device. Your emails as well as your contacts stay private. You can easily communicate with any of your friends end-to-end encrypted. Even subject and attachments as well as all your contacts are encrypted. It provides an open webmail service that is very easy to use.

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Nwebmail

•    C

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Nwebmail is a webmail client written in ANSI C. It allows users to check and send email from any web-browser. It accesses the mail spools directly for fast and efficient mail processing. It supports MIME attachments and can import/export address books.

Mailu - Mail server as a set of Docker images

•    Python

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Mailu is a simple yet full-featured mail server as a set of Docker images. The project aims at providing people with an easily setup, easily maintained and full-featured mail server while not shipping proprietary software nor unrelated features often found in popular groupware.

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sync-engine - :incoming_envelope: IMAP/SMTP sync system with modern APIs

•    Python

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The Nylas Sync Engine provides a RESTful API on top of a powerful email sync platform, making it easy to build apps on top of email. See the full API documentation for more details.Install the latest versions of VirtualBox and Install Vagrant.

webmail mail-client email-client

Opo Perspective

•    DotNet

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Opo Perspective is a webmail client developed with ASP.NET MVC and C#. - Flexible (different mail servers and protocols) - Extensible (add functionality like calendar, notes etc. as modules) - Ajaxified UI (unobtrusive JavaScript using jQuery) - Conversations, tags, search etc.

email mail

laminas-mail - Parse, create, store, and send email messages, using a variety of storage and transport protocols.

•    PHP

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Laminas\Mail provides generalized functionality to compose and send both text and MIME-compliant multipart email messages. Mail can be sent with Laminas\Mail via the Mail\Transport\Sendmail, Mail\Transport\Smtp or the Mail\Transport\File transport. Of course, you can also implement your own transport by implementing the Mail\Transport\TransportInterface.

mail-client mail-library php-mail-client email smtp library

Claws Mail - Email Client and News Reader Based on GTK+

•    C

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Claws Mail is a GTK+ based, lightweight, and fast e-mail client and newsreader. Supports POP3, APOP, IMAP, SMTP, SMTP AUTH, NNTP, LDAP, multiple accounts, spell-checking, addressbook, SSL, GPG, filtering, i18n, & more. It is further extended by plugins. Lots of extra functionality, like an RSS aggregator, calendar, or laptop LED handling, are provided by extra plugins.

mail-client email-client mail pop3 smtp client newsreader rss-aggregator

Qmail POP-toaster setup guide

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This is a documentation project that is useful for people who are looking to set up an e-mail system with an easy-to-use client webmail front end and support for name-based virtual domains. It proposes a Qmail-Vmailmgr-Courier-SquirrelMail tie-in as the b

PHPMailer – A full-featured email creation and transfer class for PHP

•    PHP

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PHPMailer is a full-featured email creation and transfer class for PHP. Many PHP developers need to send email from their code. The only PHP function that supports this directly is mail(). However, it does not provide any assistance for making use of popular features such as encryption, authentication, HTML messages, and attachments. PHPMailer's integrated SMTP client allows email sending on all platforms without needing a local mail server.

smtp php-library email xoauth2 tls-support phpmailer attachment mail-client mail-library php-mail-client

nylas-mail - :love_letter: An extensible desktop mail app built on the modern web. Forks welcome!

•    Javascript

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Nylas Mail is an open-source mail client built on the modern web with Electron, React, and Flux. It was designed to be easy to extend, and many third-party plugins are available that add functionality to the client.⚠️ Nylas Mail was initially released and open-sourced in early 2015 and was maintained by Nylas until Spring 2017. While Nylas no longer supports Nylas Mail, you can download the latest release or build it from source. There are also several forks that are being actively developed and maintained.

electron react flux productivity email babel nylas-mail