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

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  • 1
    Tutanota

    Tutanota

    Open source email service with a strong focus on security and privacy

    Tutanota is an open source email client focused on security and privacy. It is built with end-to-end encryption and 2FA, so you can be assured of utmost email security. Tutanota is always encrypted, so whether you’re using their secure webmail client, mobile apps or desktop clients, you can be sure to communicate securely.
    Downloads: 14 This Week
    Last Update:
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  • 2
    IGSuite - Integrated Groupware Suite

    IGSuite - Integrated Groupware Suite

    IGSuite is a web-ajax-based Integrated Groupware Suite

    IGSuite is a web-based Integrated Groupware Suite oriented to be a CRM solution. In the Suite you can find: IGWebMail, IGCalendar, IGContacts, IGArchive, IGWiki, IGTodo, IGChat, Projects, IGFax an HylaFax client, IGFileManager, IGMsg and many other.
    Downloads: 9 This Week
    Last Update:
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  • 3
    threadkey

    threadkey

    Add keyboard shortcuts to switch between different thread views

    Strike the 'T' key to sort messages by thread, strike the 'U' key to sort unthreaded again, just like the 'G' key switches to Grouped By Sort view.
    Downloads: 18 This Week
    Last Update:
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  • 4
    SaltOS

    SaltOS

    SaltOS, ERP, CRM, Business Management Suite, Josep Sanz Campderrós

    SaltOS is a Business Management solution 100% Cloud Computing. It integrates features like CRM (Customer Relation Management) and ERP (Enterprise Resource Planning). Moreover is it licensed as 100% free software GPL-3.0.
    Downloads: 5 This Week
    Last Update:
    See Project
  • Cloudflare secures and ensures the reliability of your external-facing resources such as websites, APIs, and applications. Icon
    Cloudflare secures and ensures the reliability of your external-facing resources such as websites, APIs, and applications.

    Cloudflare is the foundation for your infrastructure, applications, and teams.

    It protects your internal resources such as behind-the-firewall applications, teams, and devices.
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  • 5
    This plugin will add to the AJAX Webmail RoundCube the ability to tag mails like it is done in Thunderbird. He will follow the same semantic as Thunderbird to manage tag, so tags set using this plugins will be seen in Thunderbird and vice-versa.
    Downloads: 7 This Week
    Last Update:
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  • 6
    EGroupware Enterprise Collaboration
    EGroupware has moved to Github, please find all our downloads there: https://github.com/EGroupware/egroupware/releases EGroupware is a multi-user, web-based groupware suite. Currently available modules include: email, addressbook, calendar, infolog (notes, to-do's, phone calls), content management, wiki, project management, tracker, timesheet, knowledge base, CalDAV/CardDAV
    Downloads: 1 This Week
    Last Update:
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  • 7
    a webbased desktop, which handles modules like email-app and so by a webclient. Today only for Mozilla like Browsers. Tester/Developer are welcome :) Check it out on http://x.nebulon.de/netdesk/
    Downloads: 4 This Week
    Last Update:
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  • 8
    conjoon

    conjoon

    Webmail made easy!

    conjoon is a webmail client with personal information management ambitions. It runs completely in a web browser and features a broad range of functionality known from desktop applications; it provides functionality for organizing RSS feeds, Twitter and Email accounts. It comes with an installation wizard that helps with installing and updating the application. Built using Zend Framework and Ext JS, it focuses on easy system integration and usability on the client side. See the User Guide at http://conjoon.org/wiki for more information!
    Downloads: 1 This Week
    Last Update:
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  • 9
    mailredirect

    mailredirect

    Allow to redirect (a.k.a. "remail") mail messages to other recipients

    The Mailredirect extension for Mozilla Thunderbird and Mozilla SeaMonkey adds the ability to redirect one or more email messages to one or more recipients. The feature of email redirecting is also known as remailing or resending. The extension is an answer for https://bugzil.la/12916
    Downloads: 1 This Week
    Last Update:
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  • Holistically view your business data within a single solution. Icon
    Holistically view your business data within a single solution.

    For IT service providers and MSPs that need a data platform to manage their processes

    BrightGauge, a ConnectWise solution, was started in 2011 to fill a missing need in the small-to-medium IT Services industry: a better way to manage data and provide the value of work to clients. BrightGauge Software allows you to display all of your important business metrics in one place through the use of gauges, dashboards, and client reports. Used by more than 1,800 companies worldwide, BrightGauge integrates with popular business solutions on the market, like ConnectWise, Continuum, Webroot, QuickBooks, Datto, IT Glue, Zendesk, Harvest, Smileback, and so many more. Dig deeper into your data by adding, subtracting, multiplying, and dividing one metric against another. BrightGauge automatically computes these formulas for you. Want to show your prospects how quick you are to respond to tickets? Show off your data with embeddable gauges on public sites.
    Learn More
  • 10
    6XMailer is a PHP POP3 mail reader with support for HTML mail, MIME attachments, embedded mail content, multilingual ready, and themes. It has an address book and centralized configuration file.
    Downloads: 0 This Week
    Last Update:
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  • 11
    AfterLogic WebMail Lite .NET
    Free and easy-to-use webmail script with AJAX interface. Supports POP3/IMAP accounts, SMTP, SSL. Users can check and send mail, use address book. Skins, non-English languages, UTF-8. MS SQL/MySQL/MS Access backends supported.
    Downloads: 0 This Week
    Last Update:
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  • 12
    AfterLogic WebMail Lite 7
    AfterLogic WebMail Lite PHP is a free AJAX webmail application. Users can receive, view, manage, compose, and send email through web interface (IMAP and SMTP supported). Source code included.
    Downloads: 0 This Week
    Last Update:
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  • 13
    Archive This for Thunderbird
    "Archive This" is an add-on for the Thunderbird email client that provides shortcuts for filing messages into folders rapidly and efficiently.
    Downloads: 0 This Week
    Last Update:
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  • 14
    Attachment Reminder is an Add-On (extension) for Mozilla Thunderbird that scans outgoing email for user-defined keywords (or just use the default list), and prompts you if it looks like you wanted to attach a file but didn't.
    Downloads: 0 This Week
    Last Update:
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  • 15
    Bulk Newsletter Mailer (BNM)

    Bulk Newsletter Mailer (BNM)

    BNM helps you design and send massive emails in HTML format

    Bulk Newsletter Platform(BNM) provides the components necessary to send bulk email in HTML format. BNM is written in PHP and it is appropriate to work either standalone on a server or embeded in an existent website. It is an easy to use, marketing tool which allow the user to create and send massive advertisements and newsletters in HTML to his mailing list.
    Downloads: 0 This Week
    Last Update:
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  • 16
    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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  • 17
    Concisus is a collaborative environment (a groupware) based on the idea of separating application from information. Concisus is a eGroupware branch to provides a framework to manipulate informations and their relations using a web-based interface.
    Downloads: 0 This Week
    Last Update:
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  • 18
    cymfew : Check Your Mail From EveryWhere :: Access to your mail client from anywhere. POP3 and IMAP supported. Filters...
    Downloads: 0 This Week
    Last Update:
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  • 19
    Deus Ex Email Client
    An email client written in php that emulates the look and feel of the email client shown in the game after hacking into the terminal. The email client hosts a few augmentations that differentiate it from the game version including sending simple emails and replies, email expanding, deletion, draggable windows and customizable graphics.
    Downloads: 0 This Week
    Last Update:
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  • 20
    Encki Mail is a web based e-mail system that focusses on ease of use for both the user and the system administrator. The project is being developed for Linux using the popular PHP + MySQL combination.
    Downloads: 0 This Week
    Last Update:
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  • 21
    Eridu is a web based groupware package written in PHP that aims to provide all the functionality expected of a professional groupware package such as MS Outlook+Exchange or Lotus Notes+Domino.
    Downloads: 0 This Week
    Last Update:
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  • 22
    Farsi Translation of Mozilla-based Browsers. FarsiMoz is initiated with the hope of making Mozilla-based internet clients more accesseblie to Iranians every where. We started translation from Mozilla 1.2 and will translate other versions in the near
    Downloads: 0 This Week
    Last Update:
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  • 23
    An .NET webmail project ...
    Downloads: 0 This Week
    Last Update:
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  • 24
    We provide a Hebrew version of Mozilla Firefox, Mozilla Thunderbird, SeaMonkey and Mozilla Application Suite. SeaMonkey/Mozilla Suite are also available for download from here, while the latest Firefox & Thunderbird are available only from mozilla.com.
    Downloads: 0 This Week
    Last Update:
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  • 25
    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: 0 This Week
    Last Update:
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