Email Clients (MUA) Software


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Email Clients (MUA) Software

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  • Hastymail Icon


    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. This version of Hastymail is no longer being developed. We are now working on a new version, Hastymail 3, AKA, "Cypht".

  • SensibleEmail

    Email client based on the Eclipse RCP platform.

    Email client designed to be reliable, and easy to use. All email is kept in a SQL database. Currently supports POP3 and SMTP. The POP3/SMTP access is all performed in a separate process so that it doesn't cause delays in the UI. The Server process may be left running and fetching email, so when the UI starts, it always has the latest messages. It always displays both the HTML and Plain Text versions of a message, there are multiple ways to control which one is onscreen first. (by folder, by sender, by default) Many features designed to make reading Mailing Lists easier. (Wizard filter creator for instance) Tags on msgs can be used to control font/color of each individual field (Subject, From, etc...) as well as performing actions when the tag is applied or removed. (Spam/Fishy mail is handled this way.) Folders may be renamed or moved at any time without breaking filters.

  • SimpleMail

    Note! Code and issues are maintained at SimpleMail is a simple to use but powerful mail client. It supports the SMTP, POP3 and IMAP (in a simple form) protocols. Furthermore, among much other features, it is capable of showing HTML mails and can identify spam mails by using a Bayesian filter.

    Downloads: 73 This Week Last Update: See Project
  • Mahogany mail and news client

    An extremely configurable portable GUI email and news client for Windows/Unix (including OS X) with IMAP, POP3, SMTP, and NNTP support, SSL, flexible address database, Python scripting, powerful filtering, and many other features for advanced users.

  • LNMail Icon


    Simple Lotus Notes mail client

    LNMail is a graphical user interface to access your Lotus Notes mail messages. It is mainly intended to organize the messages stored on the Lotus Notes server. Since by default the space of your Lotus Notes mail account is limited, LNMail gives you easy and seamless access to your created archives. Organization and finding mails should now be easy.

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  • Tiger Envelopes - mail encryption

    With Tiger Envelopes you can stop snoops from reading your email. Same email client. No extra steps. One click to install on Windows and Linux. Configures Outlook, Thunderbird, and KMail. Supports GPG, PGP, Bouncy Castle encryption.

  • Kiltdown

    Kiltdown is an Email Client for UNIX. It is UI independant (I use both Gnome and KDE), and is fully featured, including MIME support, multiple accounts, filtering, etc. It currently runs under Linux, FreeBSD, and Solaris.

    Downloads: 16 This Week Last Update: See Project
  • QNewsletterCreator

    QNewsletterCreator is a program to manage your newsletters and recipients thereof. Since it is written with Qt, it is platform independent. The newsletter can consist of both html or plain-text and have attachments as well.

    Downloads: 15 This Week Last Update: See Project
  • SharpWebMail

    Is an ASP.NET webmail application written in C#. It uses a POP3 or IMAP servers as the mailstore and sends mail through a SMTP server. You can compose HTML messages, search your inbox, read complex mime messages and much more. .NET and Mono compatible.

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  • PHP Implementation of DKIM

    PHP functions and classes to add a Domain Key Identified Mail (DKIM RFC 4871) signatures to emails sent by PHP. It is based on the openssl extensions of PHP. It can generate DKIM signature but cannot verify them. Developped and tested on PHP 4.0.

    Downloads: 11 This Week Last Update: See Project
  • Dolda Webmail

    A PHP Webmail, utilizing persistant IMAP connections and XHTML 1.1. Since the name is rather long, the preferred nickname is "d-mail".

    Downloads: 10 This Week Last Update: See Project
  • Open-Xchange Community Edition

    Open-Xchange collaboration suite. Visit to get more information about getting support and reporting bugs.

    Downloads: 9 This Week Last Update: See Project
  • Spamato Spam Filter System

    Spamato is a spam filter system that combines several anti-spam techniques, from which thousands of users benefit. It is available as an add-on for Thunderbird and Outlook, and as a stand-alone proxy for other email clients. IMAP and POP are supported.

  • Open Enterprise

    Open Enterprise is a very ambitious project that comprise some full opensource components to provide a strong alternative to the existing commercial software. Open Enterprise is cross-platform: Windows / MacOSX / Linux / BSD / Solaris / Unix.

  • Veldfire

    Veldfire is a frontend to the Riverdrums C library, and is aimed at simplifying email functionality. The project provides interfaces to sending email, attaching files and sending mail to lists.

    Downloads: 7 This Week Last Update: See Project
  • OpenChange Project Icon

    OpenChange Project

    Microsoft Exchange compatible server and client libraries

    OpenChange is a portable Open Source implementation of Microsoft Exchange server and Exchange protocols. It provides a complete solution to interoperate with Microsoft Outlook clients or Microsoft Exchange servers. OpenChange client-side library is used in existing messaging clients and is the solution in new projects to communicate natively with Microsoft Exchange and Exchange-compatible servers. OpenChange server is a transparent Microsoft Exchange server replacement using native Exchange protocols and does not require any plugin installation in Outlook.

  • The Invisible Mailer (TiM)

    TiM is an email client written in PHP with a MySQL backend for storing mail. It can currently retrieve messages from POP3 accounts. Files released on project homepage.

  • Daffodil Organizer - an email client

    Daffodil Organizer is an e-mail client with the facility to import mails from the Microsoft Outlook's .pst files. In Daffodil Organizer mails are stored in RDBMS that provides maximum flexibility to organize your mails. You can also categorise your mail

    Downloads: 4 This Week Last Update: See Project
  • ENMCommander

    The ENMCommander is a Perl Tk Email Client which use pop3 and smtp protocoll. Example Features are different mailfolder, all kinds of mime attachements,.. Because of using Perl Tk it is possible to run the same Email Client on Linux, Windows and other.

    Downloads: 4 This Week Last Update: See Project
  • GatorMail WebMail

    GatorMail is a servlet-based Webmail built on the Struts framework. Efficient interaction with the mail store along with a low support overhead are the main goals of the project.

    Downloads: 4 This Week Last Update: See Project
  • JWebMail / Java Webmail

    WebMail is a Java Servlet application that gives users WWW access to their IMAP/POP mailboxes. It supports folders, multiple languages, composing messages, MIME and virtual domains.

    Downloads: 4 This Week Last Update: See Project
  • elmo (ELectronic Mail Operator)

    Elmo is a feature-rich console mail client for UN*X power users. It integrates functionality commonly realised by separate pieces of software in other mailers.

    Downloads: 4 This Week Last Update: See Project
  • Thunderbird Grammar Checker

    Thunderbird extension for checking grammar using LanguageTool facilities. NOTE: The project has been moved to GitHub: The old one stays here just for the historical reasons.

  • Koolwired.Imap

    Koolwired.Imap is a fully managed .NET IMAP client library written in C#.

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