Java Email Software

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

  • Auth0 for AI Agents now in GA Icon
    Auth0 for AI Agents now in GA

    Ready to implement AI with confidence (without sacrificing security)?

    Connect your AI agents to apps and data more securely, give users control over the actions AI agents can perform and the data they can access, and enable human confirmation for critical agent actions.
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  • Automate contact and company data extraction Icon
    Automate contact and company data extraction

    Build lead generation pipelines that pull emails, phone numbers, and company details from directories, maps, social platforms. Full API access.

    Generate leads at scale without building or maintaining scrapers. Use 10,000+ ready-made tools that handle authentication, pagination, and anti-bot protection. Pull data from business directories, social profiles, and public sources, then export to your CRM or database via API. Schedule recurring extractions, enrich existing datasets, and integrate with your workflows.
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  • 1
    DavMail POP/IMAP/SMTP/Caldav to Exchange
    Ever wanted to get rid of Outlook ? DavMail is a POP/IMAP/SMTP/Caldav/Carddav/LDAP gateway allowing users to use any mail client with Exchange and Office 365, even from the internet through Outlook Web Access on any platform, tested on MacOSX, Linux and Windows
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    Downloads: 590 This Week
    Last Update:
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  • 2
    MsgViewer
    MsgViewer is email-viewer utility for .msg e-mail messages, implemented in pure Java. MsgViewer works on Windows/Linux/Mac Platforms. Also provides a java api to read mail messges (msg files) programmatically.
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    Downloads: 139 This Week
    Last Update:
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  • 3
    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: 9 This Week
    Last Update:
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  • 4
    Untangle
    Untangle is a Linux-based network gateway with pluggable modules for network applications like spam blocking, web filtering, anti-virus, anti-spyware, intrusion prevention, bandwidth control, captive portal, VPN, firewall, and more. Visit http://untangle.com
    Downloads: 29 This Week
    Last Update:
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  • eProcurement Software Icon
    eProcurement Software

    Enterprises and companies seeking a solution to manage all their procurement operations and processes

    eBuyerAssist by Eyvo is a cloud-based procurement solution designed for businesses of all sizes and industries. Fully modular and scalable, it streamlines the entire procurement lifecycle—from requisition to fulfillment. The platform includes powerful tools for strategic sourcing, supplier management, warehouse operations, and contract oversight. Additional modules cover purchase orders, approval workflows, inventory and asset management, customer orders, budget control, cost accounting, invoice matching, vendor credit checks, and risk analysis. eBuyerAssist centralizes all procurement functions into a single, easy-to-use system—improving visibility, control, and efficiency across your organization. Whether you're aiming to reduce costs, enhance compliance, or align procurement with broader business goals, eBuyerAssist helps you get there faster, smarter, and with measurable results.
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  • 5
    MailArchiva is a powerful, full featured email archiving (email archiver) and compliance solution for mail systems such as Microsoft Exchange. It stores all incoming, outgoing and internal emails for long term storage. A web based user interface is avail
    Downloads: 8 This Week
    Last Update:
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  • 6
    OpenEMM e-mail & marketing automation

    OpenEMM e-mail & marketing automation

    software for email automation (newsletters, transaction mails, etc.)

    This is an archive for old versions of OpenEMM. You will find the latest version of OpenEMM here: https://wiki.openemm.org OpenEMM is a browser-based enterprise application for email automation like info and marketing newsletters, transaction mails or multi-stage email campaigns. OpenEMM offers tons of features for professional users, among them: a great user interface, template-based HTML mailings, automatic bounce management, mail opening and link tracking, lots of graphical realtime statistics, a content management system, self-defined and behaviour-based target groups, a multi-queue mail backend for maximum sending performance, a time-driven automated data import and export feature, an extensive set of webservices, a plugin interface to easily extend the core functionality, a scripting feature to enhance the functionality of OpenEMM with triggerable customized actions and an audit-proof user activity log.
    Downloads: 4 This Week
    Last Update:
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  • 7
    Convert Webmail to POP3.Is also included a SMTP/POP3 tunneling system that allow send and receive email in a private network HTTP PROXY based. All connection are plugin based. Over 450 email server supported and tested, GMAIL POP3/SMTP over Proxy Network.
    Downloads: 4 This Week
    Last Update:
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  • 8
    This application synchronizes Lotus Notes Calendar entries with Google Calendar. GCal supports syncing with both iOS (iPhone/iPad/iPod) and Android devices, so you can now view your Lotus Notes calendar on your mobile device. GCal also allows you to view the calendar using any ical/rss/html compatible viewer. Currently the sync is only one direction: pushing Lotus Notes entries to GCal. All entries manually created in GCal will be ignored (and not copied down to Lotus Notes).
    Downloads: 3 This Week
    Last Update:
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  • 9
    basE91 is an advanced method for encoding binary data as ASCII characters. It is similar to UUencode or base64, but is more efficient. The overhead produced by basE91 depends on the input data. It amounts at most to 23% and can range down to 14%.
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    Downloads: 11 This Week
    Last Update:
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  • G-P - Global EOR Solution Icon
    G-P - Global EOR Solution

    Companies searching for an Employer of Record solution to mitigate risk and manage compliance, taxes, benefits, and payroll anywhere in the world

    With G-P's industry-leading Employer of Record (EOR) and Contractor solutions, you can hire, onboard and manage teams in 180+ countries — quickly and compliantly — without setting up entities.
    Learn More
  • 10
    Web Spider, Web Crawler, Email Extractor

    Web Spider, Web Crawler, Email Extractor

    Free Extracts Emails, Phones and custom text from Web using JAVA Regex

    In Files there is WebCrawlerMySQL.jar which supports MySql Connection Free Web Spider & Crawler. Extracts Information from Web by parsing millions of pages. Store data into Derby Database and data are not being lost after force closing the spider. - Free Web Spider , Parser, Extractor, Crawler - Extraction of Emails , Phones and Custom Text from Web - Export to Excel File - Data Saved into Derby and MySQL Database - Written in Java Cross Platform Also See Free email Sender : https://sourceforge.net/projects/gitst-free-email-ender/ Please install Microsoft OpenJDK to start the application https://www.microsoft.com/openjdk
    Downloads: 9 This Week
    Last Update:
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  • 11
    MailFetcher is program that retrieves mail though POP3 and then resends it with SMTP for a set of users. It is written in Java. It is equivalent to fetchmail, the well-known *nix utility but with less functionality, of course.
    Downloads: 6 This Week
    Last Update:
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  • 12
    This Java Application sends emails to a list of people. It gets a list of perfils (email and more information) and pass each perfil throught an email content provider to generate the subject and body of the personalized e-mail.
    Downloads: 6 This Week
    Last Update:
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  • 13
    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: 2 This Week
    Last Update:
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  • 14
    Galleon is a home media server using TiVo's discontinued HME protocol. It only works on TiVo versions earlier than 20.7.2. The project is not actively maintained. If you want to maintain it, contact the admins.
    Downloads: 2 This Week
    Last Update:
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  • 15
    JMailboxMonitor helps to monitor your email addresses (POP3 protocol, SSL included), in a little window. Set your addresses and see the number of messages sent to you. When the program finds new mails, it displays a little advising message.
    Downloads: 5 This Week
    Last Update:
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  • 16
    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:
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  • 17
    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: 1 This Week
    Last Update:
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  • 18
    Zimbra is an open source server and client technology for next-generation enterprise messaging and collaboration. Please see www.zimbra.com for the latest news and downloads.
    Downloads: 1 This Week
    Last Update:
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  • 19
    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: 3 This Week
    Last Update:
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  • 20
    Cream CRM
    A multilingual customer relationship management (CRM) system for media organizations that features powerful modules for sales automation, customer service, incoming and outgoing email, template-based HTML newsletters, and a WYSIWYG editor.
    Downloads: 1 This Week
    Last Update:
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  • 21
    Zimbra Community Builds & Projects
    Hi, this project is here to present a space where the Zimbra Community can share their own builds of ZCS & ZD. (See zimbra.com/downloads for quality checked, official binaries.)
    Downloads: 1 This Week
    Last Update:
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  • 22
    CURE provides a web-based environment for distributed collaboration. It was designed for lerning groups but is now also used to support busines collaboration. It combines wiki ideas with mailing lists, shared folders, chats, and room metaphors.
    Downloads: 2 This Week
    Last Update:
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  • 23
    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: 2 This Week
    Last Update:
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  • 24
    Referee Manager

    Referee Manager

    Management of table tennis umpires, referees, and their assigments.

    Referee Manager is an offline, stand-alone program for managing table tennis umpires, referees, and their assigments. Development takes place in gitlab, releases are released as git tags in gitlab or files here in sourceforge. https://gitlab.com/open-tt/refereemanager/
    Downloads: 2 This Week
    Last Update:
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  • 25
    Free and light e-mail alert client. Multi-profile and multi-account support. Support for IMAP and IMAPS. Built-in settings for the most popular e-mail services (1&1, AOL, GMail, Hotmail, MobileMe, Yahoo! Mail, etc).
    Downloads: 2 This Week
    Last Update:
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