Showing 436 open source projects for "source"

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  • 1
    Mailspring

    Mailspring

    A faster, leaner email client and fork of Nylas Mail

    Mailspring is a fast and lean mail client that’s a new version of Nylas Mail. It’s maintained by one of Nylas Mail’s original authors, with plenty of great features and enhancements such as a new C++ sync engine that allows it to use 50% less RAM. Heavy dependencies have also been removed and the package manager rewritten for even greater speed. Written in TypeScript with Electron and React, it is cross-platform (macOS, Windows and Linux) and designed to be easy to extend.
    Downloads: 68 This Week
    Last Update:
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  • 2
    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: 11 This Week
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  • 3
    Proton Mail Bridge

    Proton Mail Bridge

    Proton Mail Bridge application

    Proton Mail Bridge is a desktop application that runs in the background on Windows, macOS, and Linux to enable users to access their Proton Mail encrypted email accounts with traditional email clients like Outlook, Thunderbird, Apple Mail, and others via local IMAP/SMTP servers. Because standard IMAP cannot natively decrypt end-to-end encrypted messages, Bridge acts as a translator that downloads encrypted mail, decrypts it locally, and serves it to your preferred mail client over a local...
    Downloads: 5 This Week
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  • 4
    Proton Web Clients

    Proton Web Clients

    Monorepo hosting the proton web clients

    Proton Web Clients is a monorepo hosting the web applications for Proton’s suite of privacy-focused services, including the core Proton Mail webmail interface and related web apps like Proton Calendar, Proton Drive, Proton Account, Proton VPN, Proton Pass, and other connected tools. It consolidates all web client code, shared modules, dependencies, and development tooling into a single repository, enabling unified maintenance, consistency of design patterns, and efficient evolution of...
    Downloads: 2 This Week
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  • 5
    Cypht

    Cypht

    Lightweight Open Source webmail written in PHP and JavaScript

    ...Cypht is an application built entirely of plugins, or as we call them, module sets (which is obviously way cooler sounding than plugins), that are executed by the framework. Modules provide a flexible way to add new features or customize the program without hacking the code. Cypht is Open Source (LGPL V2), and written in PHP and JavaScript.
    Downloads: 1 This Week
    Last Update:
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  • 6
    Windows MBox Viewer

    Windows MBox Viewer

    Windows eml and mbox viewer.

    Free Windows Mbox Viewer. Gain access to mbox archives, single eml or single Outlook messages. View attachments and export single mails in eml format. Access large mbox files such as Google Takeout or Mozilla Thunderbird Archives. Development of mbox viewer continues now at github: https://github.com/eneam/mboxviewer **NOTE**: Windows Defender may sometimes report incorrectly that mbox-viewer contains malware. Please report the case to the development. Development will ask...
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    Downloads: 1,324 This Week
    Last Update:
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  • 7
    SquirrelMail
    SquirrelMail is a PHP-based Web email client. It includes built-in pure PHP support for IMAP and SMTP, and renders all pages in pure HTML 4.0 for maximum compatibility across browsers. It has strong MIME support and a flexible plugin system.
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    Downloads: 268 This Week
    Last Update:
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  • 8
    Email of Death
    Email of Death is a browser based email client. 5-18-26: Slimmed the code down. Added signatures and a spam email function. It's better on CPU usage as well.
    Downloads: 14 This Week
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  • 9
    NOCC
    ...It is written with PHP, has low requirements (no database, frames). Features multi-language support, MIME attachments, displays HTML messages. The installation guide comes with the source code: https://sourceforge.net/p/nocc/code/HEAD/tree/trunk/webmail/docs/INSTALL If you encounter problems or bugs you can always try the current HEAD version: https://sourceforge.net/p/nocc/code/HEAD/tarball?path= Questions, bug reports or support requests are very welcome: https://sourceforge.net/p/nocc/_list/tickets Alternative source code repository: https://github.com/oheil/NOCC
    Downloads: 8 This Week
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  • 10
    MultiMail Offline Reader
    MultiMail is an offline mail packet reader for Unix and other systems. It currently supports the Blue Wave, QWK, OMEN, OPX and SOUP formats. It has a full screen, color user interface, built with the curses library.
    Downloads: 6 This Week
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  • 11
    GoldBug - Encrypted Communications

    GoldBug - Encrypted Communications

    Chat Messenger. E-Mail-Client. Websearch. Filetransfer.

    ...Microsoft & Qt MinGW deprecated Win32 & for Compiling: ● https://sourceforge.net/p/goldbug/wiki/compiling As Spot-On implemented the minimal GB-concept & Nuvola Icons, GoldBug has now been fully integrated into Spot-On Win64: Just choose Tabs at East & Mini-View in Options - w/ Nuvola Icons of course! Voilá! & Many Thanks, Pro-Files can be found archived at ● current source: https://github.com/textbrowser/spot-on ● EN Manual: https://www.amazon.com/dp/3749435065 ● DE: https://compendio.github.io/goldbug-manual-de/ ● Study: https://www.amazon.com/asin/dp/3750408971
    Downloads: 8 This Week
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  • 12
    An extremely configurable portable GUI email and news client for Windows/Unix (including OS X) with IMAP, POP3, SMTP, and NNTP support, SSL, flexible address database, Python scripting, powerful filtering, and many other features for advanced users.
    Downloads: 2 This Week
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  • 13
    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: 3 This Week
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  • 14
    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: 1 This Week
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  • 15
    exmh is a user interface to the MH (a.k.a. nmh) email system. It is extensible and its users have exploited this to integrate PGP, Glimpse, ispell, faces/picons, MIME, and much more.
    Downloads: 0 This Week
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  • 16
    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: 0 This Week
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  • 17
    PyBiff

    PyBiff

    PyQt based email notification utility for the system tray

    PyBiff is an email notification utility for the system tray, periodically checking email accounts for new messages. The current status is indicated by the icon in the tray, and a custom command can be executed and a sound played when new mail arrives. Another custom action can be performed by clicking the icon. PyBiff is implemented in Python 3 using PyQt6. It supports POP3 and IMAP4 protocols with or without SSL. Besides showing an icon it provides status details in a tooltip, a control...
    Downloads: 0 This Week
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  • 18
    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: 0 This Week
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  • 19
    ...It offers all the functionality of MH, the visual orientation and simplicity of use of a GUI, and full integration with Emacs, including thorough configuration and online help. Since MH-E 8.6 was released in 2016, its development migrated to the Emacs repository. Thus, if you install an Emacs package, or check out and compile the Emacs source, then you will be running the latest version of MH-E. Consequently, we will retire this site once all of the tickets are resolved. Therefore, please help us out and submit new tickets with M-x report-emacs-bug. MH-E is now only supported in the version of GNU Emacs in which it appears. It is no longer supported in XEmacs. It is compatible with MH versions 6.8.4 and higher, all versions of nmh, and GNU mailutils 1.0 and higher.
    Downloads: 0 This Week
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  • 20
    NaSMail

    NaSMail

    NaSMail is a standards-based webmail package written in PHP

    NaSMail is a standards-based webmail package written in PHP. It includes built-in pure PHP support for the IMAP and SMTP protocols, and all pages render in HTML 4.01 with minimal JavaScript and CSS. It has very few requirements and is very easy to configure and install. NaSMail has all the functionality you would want from an email client, including strong MIME support, address books, and folder manipulation. NaSMail is based on SquirrelMail 1.4.x.
    Downloads: 0 This Week
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  • 21
    RainLoop Webmail

    RainLoop Webmail

    Simple, modern & fast web-based email client

    RainLoop Webmail is a modern, fast, and lightweight web-based email client. It supports IMAP and SMTP protocols, allowing users to access and manage their email accounts through a web interface. RainLoop offers features like multi-account support, a responsive UI, and integration with popular email providers. It is self-hosted, giving users control over their email data.
    Downloads: 1 This Week
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  • 22

    tbtrayicon

    Thunderbird tray icon add-on

    A very simple add-on for Thunderbird 68.2+ that uses native messaging to display a persistent icon in the KDE systray. You definitely need a native binary in addition to the add-on. There is only one at the moment for KDE: a Qt5 application written in C++. I suggest using the latest Thunderbird version 68.3.1, which fixes a bug in an API function when searching for unread messages. It may or may not work with earlier versions.
    Downloads: 0 This Week
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  • 23
    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
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  • 24

    libspopc pop3 client library

    an easy to use pop3 client library in C

    libspopc is a simple and really thin pop3 client library to be used by small programs, licensed under the GNU General Public License.
    Downloads: 0 This Week
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  • 25
    RainLoop Webmail (PHP)

    RainLoop Webmail (PHP)

    Simple, modern & fast web-based email client

    Modest system requirements, decent performance, simple installation and upgrade, no database required - all these make RainLoop Webmail a perfect choice for your email solution.
    Downloads: 0 This Week
    Last Update:
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