Open Source Desktop Operating Systems Email Software

Email Software for Desktop Operating Systems

Browse free open source Email software and projects for Desktop Operating Systems below. Use the toggles on the left to filter open source Email software by OS, license, language, programming language, and project status.

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  • 1

    bogofilter -- Fast Bayesian Spam Filter

    Fast Bayesian spam filter along lines suggested by Paul Graham

    The bogofilter package implements a fast Bayesian spam filter as suggested by Paul Graham in "A Plan For Spam" <http://www.paulgraham.com/spam.html>. It is written in C. Supported platforms: Linux, FreeBSD, Solaris, OS X, HP-UX, AIX, RISC-OS, ...
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    Downloads: 148 This Week
    Last Update:
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  • 2
    IndiMail
    Highly scalable/configurable Messaging Platform allowing users in a domain to be distributed on multiple hosts, has multiple queues. Provides virtual domains/users in MySQL. Modern MSP class qmail replacement with ESMTP, POP3/IMAP, QMTP, QMQP support
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    Downloads: 41 This Week
    Last Update:
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  • 3
    AlphaMail is an accelerated web mail interface with a C++ middleware layer that is more effective than an IMAP proxy which is a highly scalable (10k+ users). The interface includes modern features, Section 508 compliance, and universal browser support.
    Downloads: 77 This Week
    Last Update:
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  • 4
    YPOPs! is an application which emulates a POP3/SMTP mail server and provides free POP3 and SMTP access to Yahoo! Mail. It does not depend on Yahoo's POP3/SMTP mail server. You can use a mail client of your choice!
    Downloads: 13 This Week
    Last Update:
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  • 5
    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%.
    Downloads: 28 This Week
    Last Update:
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  • 6
    Fast, intelligent, automatic spam detector using Paul Graham style Bayesian analysis of word counts in spam and non-spam emails. Filtering adapts to personal tastes automatically. No manual rule creation required. Intended for use with procmail, maild
    Downloads: 5 This Week
    Last Update:
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  • 7
    A milter program for domain authentication technologies.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 8
    FreePOPs is a webmail to pop3 conversion daemon. It is extensible to support other webmail using the scripting language LUA. See the homepage for supported webmails.
    Downloads: 1 This Week
    Last Update:
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  • 9
    Note! Code and issues are maintained at https://github.com/sba1/simplemail. SimpleMail is a simple to use but powerful mail client. It supports the SMTP, POP3 and IMAP (in a simple form) protocols. Furthermore, among much other features, it is capable of showing HTML mails and can identify spam mails by using a Bayesian filter.
    Downloads: 4 This Week
    Last Update:
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  • 10
    Yet another e-mail scanner, emailscan monitors in coming mutlipart mail messages and checks for file type, file names, and virus scan. It also works both using procmail for local deliver and can be invoked when mail is relayed.
    Downloads: 3 This Week
    Last Update:
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  • 11
    Virtual Access Open Source Project
    The Virtual Access Foundation's Virtual Access Open Source (VAOS) is a well-established win32 mail news and collaborative conferencing tool. Modified BSD license. Please go to our homepage http://www.virtual-access.org for more information and support.
    Downloads: 3 This Week
    Last Update:
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  • 12

    libquickmail

    C library for sending e-mail (with attachments) from C/C++

    C library intended to give C/C++ developers a quick and easy way to send e-mail from their applications. Supports multiple To/Cc/Bcc recipients and multiple attachments without size limitation. For the actual SMTP communication either libcurl can be used or the built in SMTP support. The library can also be used to just create a multipart MIME message body. Also comes with a command line application (quickmail) for sending mails (mutiple attachments supported) from command line or scripts. Cross-platform. Binary packages available for Windows (32-bit and 64-bit).
    Downloads: 1 This Week
    Last Update:
    See Project
  • 13
    Spammer is an anti-spam mail filter for Sendmail and Postfix. It uses libmilter to communicate with the MTA. Spammer checks client IP addresses as well as all IP addresses in the "Received: " headers against a DNSBL database.
    Downloads: 2 This Week
    Last Update:
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  • 14
    Faces - a Gtk+ program for monitoring a list (typically mail incoming messages) visually. It supports IMAP and POP mailboxes. There is a huge collection of picons (personal icons) that can be used in conjunction with the faces program.
    Downloads: 2 This Week
    Last Update:
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  • 15
    Network-Tools is a collection of tools and utilities for network connection.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 16

    FIDOGATE

    FIDOGATE is a Fido-Internet gateway

    FIDOGATE is a Fido-Internet gateway, a Fido FTN-FTN NetMail gateway, a Fido tosser, a Fido file processor/ticker, and a Fido Areafix/Filefix program (The latest code is in CVS but a GIT repository is being prepared.)
    Downloads: 1 This Week
    Last Update:
    See Project
  • 17
    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: 1 This Week
    Last Update:
    See Project
  • 18
    Originally a software partnership between my best friend and myself, Diverse Developments seeks to write "useful stuff", of a very diverse nature... Current projects include a file encoder, and a double-entry accounts package.
    Downloads: 1 This Week
    Last Update:
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  • 19
    The LDAP proxy is designed to be the part of the email encryption infrastructure which would simplify finding and using public encryption keys contained in X.509 public certificates.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 20

    MAIA_Reg_Browser

    MAIA® Reg. Browser 1.4 helps you to browse the registers of a PIC®

    MAIA® Reg. Browser 1.4 helps you to browse the large number of registers in PIC® devices. You just have to pick up a register name in the Reg. List, and get all informations about the register: (Address(es), Bank(s), Configurations bits...). You can also use the search line to type the first letter of a register name or a configuration bit name (upper or lowercase). The software automatically pops up all the related register or configuration bit names beginning with the letter; So you just need to pick one and hit return to get all the necessary informations. Author: ANDRIAMILAMINA Monge.E-mail: mongemilamina@gmail.com. Web: https://www.andriamilamina.skyrock.com.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 21
    Perl ECS

    Perl ECS

    EMDIS::ECS Perl module

    Perl ECS implements the EMDIS Communication System (ECS), following specifications developed for the European Marrow Donor Information System (EMDIS). ECS is a "communication service for the automatic exchange of messages" via email. Published EMDIS::ECS releases are available from CPAN.
    Downloads: 1 This Week
    Last Update:
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  • 22
    DEPRECATED - This is now hosted at https://github.com/Yeraze/ytnef ytnef is a program to work with procmail to decode TNEF streams (winmail.dat attachments) like those created with Outlook. Unlike other similar programs, it can also create vCalendar/vCard entries from meeting requests, address cards, and task entries.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 23
    dk-milter consists of two parts: A milter-based application (dk-filter) which plugs in to Sendmail to provide DomainKeys service, and a library (libdk) which can be used to build DomainKeys-compliant applications or MTAs. See the home page for details.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 24
    Mboxgrep is a small, non-interactive utility that scans mail folders for messages matching regular expressions. It does matching against basic and extended POSIX regular expressions, and reads and writes a variety of mailbox formats.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 25
    This package contains an Open Source plug-in, for use with Open Source or commercial sendmail MTAs, which implements and enforces the merged Caller-ID/SPF specification from the IETF MARID working group, currently dubbed "Sender-ID".
    Downloads: 1 This Week
    Last Update:
    See Project
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