Browse free open source Java Email Clients and projects below. Use the toggles on the left to filter open source Java Email Clients by OS, license, language, programming language, and project status.

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  • 1
    K-9 Mail

    K-9 Mail

    Open Source Email App for Android

    K-9 Mail is an advanced, open-source email client for Android that's focused on making it easy to chew through large volumes of email. It's designed to be easy to use by both novice and power users, with plenty of useful features. It has IMAP push email support, support for multiple accounts, support for POP3 and Exchange 2003/2007 (with WebDAV), flagging, filing, signatures and more! K-9 Mail also offers a light and dark theme, keyboard shortcuts and emoji support. Like man's best friend, K-9 Mail is an email client you can depend on, and will surely be your best friend when it comes to handling your emails!
    Downloads: 12 This Week
    Last Update:
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  • 2
    Columba
    Columba is an email client written in Java, featuring a user-friendly graphical interface with wizards and internalionalization support. Its a powerful mail management tool with features to enhance your productivity and communication.
    Downloads: 22 This Week
    Last Update:
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  • 3
    LogicMail for BlackBerry
    LogicMail is a standalone E-Mail client designed to run on RIM BlackBerry handheld devices, providing full support for IMAP, POP, and SMTP over the device's Internet connection. Its exists to provide an alternative to the service-oriented "push" E
    Downloads: 8 This Week
    Last Update:
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  • 4
    G4J is a set of API that communicate to GMail. Use this API to login, retrive/search/browse message, download attachment and do others action on GMail account! An email application (Gmailer for java) is included to demonstrate the usage of the API.
    Downloads: 5 This Week
    Last Update:
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  • 5
    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.
    Downloads: 3 This Week
    Last Update:
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  • 6
    jwma (java webmail app) uses jakarta mail (formerly javamail) to provide access to an imap email store. Multiple users can authenticate, read, send and manipulate email storage and persist a list of contacts, email identities and their own individual preferences. It works with email stored in mbox or maildir format or stored in a derby database; it has been tested with dovecot.james and exim4. See http://jwma.sourceforge.net/ for further details.
    Downloads: 5 This Week
    Last Update:
    See Project
  • 7
    fruMailer is a cross platform MUA written in both Java and Perl. The GUI is based off of the toolbar-and-windows idea behind the GIMP.
    Downloads: 3 This Week
    Last Update:
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  • 8
    DKIM for JavaMail is a small JAR that can be easily implemented in existing Java projects using JavaMail for sending DKIM signed emails.
    Downloads: 2 This Week
    Last Update:
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  • 9
    EmailTray
    Emailtray is a tray icon software that monitorize and notify emails on Yahoo, AOL and Gmail accounts free and apps. Work without email client software because it use web interface.
    Downloads: 2 This Week
    Last Update:
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  • 10
    Gmail Attachment Forward Tool Let user forward many attachment mail which already in your mailbox at same time. Very easy to move many file to other mail box.
    Downloads: 2 This Week
    Last Update:
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  • 11
    Your own mailing system (most easiest to use with zero configuration) for the entire world (available in almost all the languages of the world) which will include Mail User Agent and Mail Transfer Agent thus trying to give maximum speed while transferrin
    Downloads: 2 This Week
    Last Update:
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  • 12
    OlivaMail is a set of the java e-mail solutions: Webmail, Java Email Client (GUI), Command Line Utility (CLI) and the Core library.
    Downloads: 2 This Week
    Last Update:
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  • 13
    This program seeks to be a full featured mail client written in Java. Implemented are SMTP,IMAP and POP3 support, PGP encryptio
    Downloads: 2 This Week
    Last Update:
    See Project
  • 14
    Helper is an integrated PIM and social networking (blog, RSS, foaf, etc) client. Allows to store, annotate and navigate information uniformly by means of folders, tags and categories. Based on OWL, Eclipse RCP and open standards (Dublin Core, foaf, etc).
    Downloads: 1 This Week
    Last Update:
    See Project
  • 15
    JAM Circle
    JAM Circle is a Kanban Application Platform on Eclipse RCP.Kanban is similar to sticky note.you can use it for GTD,Planning,Pull System using Kanban.It supports to send Card using XMPP and to define it\'s behavior using Script(JRuby and ECMAScript).
    Downloads: 1 This Week
    Last Update:
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  • 16
    JobPal is a tool that can be used as an aid in online job searching. JobPal currently includes the ability to automatically customize a cover letter, and easily mail attachments to a prospective online employer, and maintain a history of positions applie
    Downloads: 1 This Week
    Last Update:
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  • 17
    Mailbox Sweeper is a program to connect to a mailbox, preview and delete selected messages. Useful for cleaning up mailboxes without downloading all the mails to your computer, e.g. for dialup users who do not want to download that 5MB attachment.
    Downloads: 1 This Week
    Last Update:
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  • 18
    Java mailclient implementing pop3, imap, smtp. Runs on various platforms, win2k, winxp, redhat, mandrake, slackware, freebsd, macos, etc.
    Downloads: 1 This Week
    Last Update:
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  • 19
    YaEC is a E-Mail Client like MS Outlook Express written in Java (Swing).
    Downloads: 1 This Week
    Last Update:
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  • 20
    An email client which basically focuses on sorting incoming emails for better email management using classification algorithms. Implemented for windows platform. The e-mail client focuses on inbox management, categorization of e-mails usig algorithms
    Downloads: 1 This Week
    Last Update:
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  • 21
    JSP/Servlets Container based on Tomcat, with some Object-Oriented Applications implemented all in Java Language.
    Downloads: 1 This Week
    Last Update:
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  • 22
    icarusWebMail is an open source WebMail, with POP3 and IMAP mailbox support, also supports APOP POP3/SSL POP3/TLS IMAP/SSL contacts lists from LDAP, anti-spam integration, Internationalization (by now es, en, fr), Filters, Drafts, Sent-Folder, Signature.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 23
    The project was moved to http://mujmail.xf.cz/index.php !! an E-mail client for mobile devices supporting J2ME.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    This is a Java Email client for academic purpose. It will include the general email client features and other experimental techniques such as uncertain reasoning, HCI principles. This project is not supported now.
    Downloads: 0 This Week
    Last Update:
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  • 25
    A GUI-based email application capable of recording, compressing and sending voice messages.
    Downloads: 0 This Week
    Last Update:
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