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.

  • Remote Network Monitoring and Management for an IoT World Icon
    Remote Network Monitoring and Management for an IoT World

    The Only RMM Solution You Need

    Domotz is the premier Remote Network Monitoring and Management platform for IoT. We offer powerful network management software for MSP's, Integrators, Security Professionals, and Business Owners. Domotz enables the complete solution to cost-effectively manage and monitor your customers’ networks with plug and play setup, a friendly UX, and a comprehensive feature set, accessible from any desktop browser or mobile device. Utilize one interface to manage multiple networks at multiple locations anywhere in the World. One person can deploy remote monitoring and management in less than 15 minutes.
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  • Quality Management Software Icon
    Quality Management Software

    Ideal for small to medium-sized businesses. Pay for all the modules or only the ones you need.

    isoTracker Quality Management is a popular cloud-based quality management software (QMS) that is used by small to medium sized businesses on a worldwide basis. It helps to manage ISO 9001, ISO 13485, ISO 22000, ISO 17025, ISO 14001 systems...plus many similar other systems. It also conforms to the requirements of 21 CFR Part 11.
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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: 10 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: 9 This Week
    Last Update:
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  • 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: 7 This Week
    Last Update:
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  • 4
    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: 4 This Week
    Last Update:
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  • DataHub is the leading open-source data catalog helping teams discover, understand, and govern their data assets. Icon
    DataHub is the leading open-source data catalog helping teams discover, understand, and govern their data assets.

    Modern Data Catalog and Metadata Platform

    Built on an open source foundation with a thriving community of 13,000+ members, DataHub gives you unmatched flexibility to customize and extend without vendor lock-in. DataHub Cloud is a modern metadata platform with REST and GraphQL APIs that optimize performance for complex queries, essential for AI-ready data management and ML lifecycle support.
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  • 5
    JMail is a mail client written in Java. It handles attached files, HTML mails, filters and other stuff... It can be used with a LDAP directory.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 6
    Open-Xchange collaboration suite. Visit http://www.open-xchange.com/header/community_area.html to get more information about getting support and reporting bugs.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 7
    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: 3 This Week
    Last Update:
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  • 8
    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: 2 This Week
    Last Update:
    See Project
  • 9
    DKIM for JavaMail is a small JAR that can be easily implemented in existing Java projects using JavaMail for sending DKIM signed emails.
    Downloads: 1 This Week
    Last Update:
    See Project
  • Network Performance Monitoring | Statseeker Icon
    Network Performance Monitoring | Statseeker

    Statseeker is a powerful network performance monitoring solution for businesses

    Using just a single server or virtual machine, Statseeker can be up and running within minutes, and discovering your entire network in less than an hour, without any significant effect on your bandwidth availability.
    Learn More
  • 10
    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
  • 11
    Browsing your mail on mail server, And deleting mails without downloading.
    Downloads: 1 This Week
    Last Update:
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  • 12
    YaEC is a E-Mail Client like MS Outlook Express written in Java (Swing).
    Downloads: 1 This Week
    Last Update:
    See Project
  • 13
    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
  • 14
    This program seeks to be a full featured mail client written in Java. Implemented are SMTP,IMAP and POP3 support, PGP encryptio
    Downloads: 1 This Week
    Last Update:
    See Project
  • 15
    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
  • 16
    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:
    See Project
  • 17
    A GUI-based email application capable of recording, compressing and sending voice messages.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    Email2Fax and Fax2Email gateway for Asterisk, that could be integrated to your own existing Asterisk.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    CIMAP is a pared-down IMAP client for Java ME-enabled cell phones (MIDP 2.0/CLDC 1.1), intended mainly to complement the use of IMAP for implementing the GTD (Getting Things Done) personal management methodology.
    Downloads: 0 This Week
    Last Update:
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  • 20
    I often encountered an inability among users to think beyond SAP and MS. Goal of the project is to create a web based application management platform, which enables organisations to easily manage applications within the system.
    Downloads: 0 This Week
    Last Update:
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  • 21
    CentraView - Browser based Enterprise Java (J2EE) Contact Management, Groupware, Collaboration, CRM, SFA, Project Management software. Run locally or as a hosted service. Built on Apache Tomcat, JBoss, MySQL, Linux (Fedora, RedHat and others) & Windows
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    This application is an email ( POP3/SMTP ) application built with eclipse 3.1.1. It shows the power of eclipse to build RCP apps. It is using the embedded version of Derby as the DBMS
    Downloads: 0 This Week
    Last Update:
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  • 23
    CPO is a tool written in Java that manages newsletters. It's focused on corporate needs (privacy, scalability, bounce count, opt-in & out, newsletter statistics).
    Downloads: 0 This Week
    Last Update:
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  • 24
    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: 0 This Week
    Last Update:
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  • 25
    Deinonychus is an email client written in Java featuring a GUI built with SWT. Supports MIME, Hotmail access, IMAP access, POP access, and SMTP.
    Downloads: 0 This Week
    Last Update:
    See Project
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