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: 15 This Week
    Last Update:
    See Project
  • 2
    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: 5 This Week
    Last Update:
    See Project
  • 3
    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: 3 This Week
    Last Update:
    See Project
  • 4
    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: 5 This Week
    Last Update:
    See Project
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  • 5
    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
  • 6
    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: 1 This Week
    Last Update:
    See Project
  • 7
    Mousetrap is a Java email client for Windows. Features: spam filtering, HTML support, new mail notification from designated senders, LDAP support, local folders, multiple accounts, plus all the usual features. Client of choice among beta testers.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 8
    An Experimental Platform for Secure Peer Services, QARE uses a decentralized trust model, a Public Key Infrastructure and provides single logon for multiple applications running across multiple systems. WAR files are used to add applications.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 9
    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.
    Downloads: 1 This Week
    Last Update:
    See Project
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  • 10
    Create, maintain and localize a complete documentation for the Sylpheed Email and News client. This includes manual and FAQ.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 11
    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: 1 This Week
    Last Update:
    See Project
  • 12
    OpenJean is a cross-platform, extensible, personal information manager. It includes: file manager, RSS aggregator, calendar and appointments diary, mailer, image manager, multimedia manager, favorites, notes, tasks, anniversaries, topics and address book
    Downloads: 1 This Week
    Last Update:
    See Project
  • 13
    As an open source project for project management, Factory lets you organize actors in teams, define projects, create version-based plans, generate forecast calendars and track statuses. Small and stand alone, it runs on every system with Java.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 14
    This project aims to develop an open source client for Novell GroupWise. It uses the Eclipse Rich Client Platform for its user interface. Thus enabling a native looking and feeling and feature rich client for all major platforms.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 15
    Geedot aims to be a lightweight, fully (and only) HTML 4.01 and CSS compliant and functional web browser for X. It uses the gdtoolkit widget set which is very fast and lightweight - yet also infinitely and easily expandable.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 16
    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:
    See Project
  • 17
    Jack Mail Client: jackmailclient: Mail Client in Java This is a simple mail client uses any mail server with a minimal configuration you will have a robost email client. Purely written in java.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 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:
    See Project
  • 19
    Mobile Mail Checker is a mail client for portable devices: java phones/smartphones/PDAs. It is based on J2ME. The most important features are: POP3/IMAP/SMTP support, reading/writing/replying/forwarding mails, SSL support, multimedia attachments supported
    Downloads: 1 This Week
    Last Update:
    See Project
  • 20
    OlivaMail is a set of the java e-mail solutions: Webmail, Java Email Client (GUI), Command Line Utility (CLI) and the Core library.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 21
    The OpenP2M is a software that lets you store and share files on your email account.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 22
    Browsing your mail on mail server, And deleting mails without downloading.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 23
    Webmail Mobile é um cliente de e-mails desenvolvido em JSP/Servlet. Totalmente projetado com design e funcionalidades voltados para smartphones e dispositivos móveis.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 24
    Engroup is the web enterprise groupware promotes various collaboration methods plus adding company business management modules. Features are included: CRM, HRM, Document Management, Project Management, Chat, Wiki, Forum, News, Todo.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 25
    zClipse is a project for building Eclipse (http://www.eclipse.org) plugins. Plugins currently being developed include: TabNavigator - editor enhancements; JScheme - Scheme integration; Insectivore - shared TeamTasks, integrated with Tasks view.
    Downloads: 1 This Week
    Last Update:
    See Project
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