Post-Office Software

Browse free open source Post-Office software and projects for Mac and ChromeOS below. Use the toggles on the left to filter open source Post-Office software by OS, license, language, programming language, and project status.

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  • 1
    ZMail allows you to send email from anyone, to anyone. You can use ZMail to send fake or anonymous emails. Have fun!
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    Downloads: 18 This Week
    Last Update:
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  • 2
    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: 5 This Week
    Last Update:
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  • 3
    jwSMTP, Send email programmatically (C++ code/lib). Linux, BSD, Windows etc. Attachments, Multiple recipients, Cc/Bcc recipients supported. MX lookup or send to an SMTP server direct. LOGIN and PLAIN authentication now supported. Html or plain text forma
    Downloads: 7 This Week
    Last Update:
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  • 4
    PyWebMail is a Python library and POP3 gateway that enable working with WebMail servers like with POP3 or IMAP mail server. Currently Mail.Com, Yahoo! Mail, Gmail, Netscape.Net, HotMail and some minor servers support is finished.
    Downloads: 10 This Week
    Last Update:
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  • 5
    Hastymail
    Hastymail is a fast, secure, rfc-compliant, cross-platform IMAP/SMTP client application written in PHP providing a clean web interface for sending and reading E-mail. This version of Hastymail is no longer being developed. We are now working on a new version, Hastymail 3, AKA, "Cypht". http://cypht.org
    Downloads: 3 This Week
    Last Update:
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  • 6
    Small program, which monitors email account via IMAPS (secure version of IMAP) protocol and inform user about new, unread messages. Coded in Java programming language.
    Downloads: 4 This Week
    Last Update:
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  • 7
    Check given IP/Host presence in 106 RBLs. Now, you don\'t have to check a lot www sites, just run this script in console.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 8
    Cassiopeia's BitMail

    Cassiopeia's BitMail

    Encrypting E-Mail Client

    BitMail is a Proof-of-Concept- / Design-Study for an Qt E-Mail Client. POP3 / IMAP / SMTP / P2P E-Mail-Client. ● Qt E-Mail Client. ● Build-in Encryption to secure E-Mails ● IMAP & POP3 ● Additionally a full decentral P2P Email-Option via the Echo Protocol ● Store Email for Offline-Friends in the P2P Network. ● Chat and Instant Messaging is build in. ● POPTASTIC function (Chat over Email) ● Calendar widget functionality. ● Open Source. BSD License. "Cassiopeia is the tortoise of Momo, which can communicate through writing on her shell and guides into the future." - Wikipedia. Source from: https://sf.net/projects/spot-on/files/ & https://github.com/textbrowser/spot-on
    Downloads: 2 This Week
    Last Update:
    See Project
  • 9
    Set of pure useful Java utilities taking care of common tasks and avoiding re-write of code
    Downloads: 2 This Week
    Last Update:
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  • 10
    MailNotifer

    MailNotifer

    Keep up to date with your mail! Notifications, easy configuration.

    MailNotifer is written in GTK+, C++ Open Source application. It's easy to configure. The notifications are themeable. It supports IMAP protocol, SSL connections. For chcek mail it using my libMNMail. Developed in Poland. Supports 2 languages(by locale), Polish language works in about 30%. Easy to work. I can runs on Linux, but few functions must be changed. TODO list: -Make smart mail checking -Repair bugs -Add theme meanager -Add full support for Polish language -Make a Linux release and something else ;)
    Downloads: 2 This Week
    Last Update:
    See Project
  • 11
    Mailster is a project aimed at testing software mail capabilities. It provides a mail server container to test emails sent by your apps without rewriting your application code.
    Downloads: 2 This Week
    Last Update:
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  • 12
    A PHP-based web frontend to IMAP mail servers (developed on Cyrus imapd currently). The interface supports reading all kinds of MIME multipart mails, fully managing IMAP folder structures including ACLs and basic mail composition.
    Downloads: 1 This Week
    Last Update:
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  • 13
    JFetch is an application to download your email through protocols like POP3 and IMAP. The decision of whether to download a mail or not is made through a sequence of filters. The user can easily add customized filters to this sequence.
    Downloads: 1 This Week
    Last Update:
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  • 14
    Jamm (Java Mail Manager) is a web application to manage virtual email account information stored in an LDAP directory. It is meant as an administration tool for sites using mail servers, such as Postfix and Courier-IMAP.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 15
    NMail provides an SMTP client & server along with an IMAP4 server; all are written in C#.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 16
    Carampop permet à votre logiciel de messagerie d'accéder gratuitement à votre boîte @caramail.com en utilisant le protocole POP3.
    Downloads: 1 This Week
    Last Update:
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  • 17
    S22.Imap

    S22.Imap

    A free .NET library for accessing IMAP servers, written in C#

    S22.Imap is a free, easy-to-use and well-documented .NET library component for communicating with and receiving electronic mail from an Internet Message Access Protocol (IMAP) server, written in C#. The API has been designed with ease of use in mind and integrates well with the existing classes of the .NET Framework. S22.Imap supports IMAP over SSL, IMAP IDLE (push email) and partial fetching of messages. It works well with Gmail. Features: * Supports IMAP IDLE notifications * Supports IMAP over SSL * API designed to be very easy to use * Allows selectively fetching parts of mail messages * Inherently thread-safe * Well documented with lots of example code * Free to use in commercial and personal projects (MIT license) NOTE: THIS PROJECT HAS BEEN MOVED TO GITHUB. PLEASE GO HERE FOR THE LATEST VERSION: https://github.com/smiley22/S22.Imap
    Downloads: 1 This Week
    Last Update:
    See Project
  • 18
    This is a set of .NET class libraries, designed to use various Internet protocols in a easy-to-use OO matter. So far it contains a POP3 and an IRC (Internet Relay Chat) library.
    Downloads: 0 This Week
    Last Update:
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  • 19
    A web-based helpdesk ticketing system. It adopts a more effective ticket sorting/ranking method instead of the cumbersome "assign/completed". More: http://www.upoint.info/cgi
    Downloads: 0 This Week
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  • 20
    AnonInbox is a PHP script which provides users with anonymous access to email. It uses a MySQL database for efficient storage of mail. Old messages are automatically removed at a specified interval. Malicious attachments are blocked.
    Downloads: 0 This Week
    Last Update:
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  • 21
    Bahrein is a Perl script that allows you to chat over AIM through only e-mail. All incoming IMs are forwarded through GMail to your destination - and you can reply just as easily back through e-mail to IM again.
    Downloads: 0 This Week
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  • 22
    A Java-based Mailserver. BMS supports all email- and news-protocols.
    Downloads: 0 This Week
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    See Project
  • 23
    API similar to Java-Mail (TM). This API is to be in C# and will be available for the dotNet-aware platforms.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    Camel's Eye is a powerful POP3 email filter. It supports DNS-based Blackhole Lists (DNSBL/RBL), Razor, and rules that search header or body. Features include regular expressions, scoring, deletion on server, automatic whitelisting through an SMTP proxy.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    CellMate Bot currently allows google queries and aim functions through OSCAR. Made to be used form your cellphone's AIM client, CellMate Bot will be updated to include email, news and map directions in the future. For now, you can use Google SMS.
    Downloads: 0 This Week
    Last Update:
    See Project