Browse free open source Email software and projects for Mac and Linux 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
    An integrated e-mail and web calendaring system.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 2

    csv2vcard

    Translate CSV containing address information to vcard

    Csv2vcard is a program for converting *.csv (comma seperated values as e.g. exported by M$ Outlook) files containing contact information to the industry standard vcard format which can be imported by most mailers and PIM software (optimized for evolution)
    Downloads: 3 This Week
    Last Update:
    See Project
  • 3
    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: 2 This Week
    Last Update:
    See Project
  • 4
    JASML is a java byte code compiler, providing yet another approach to view, write and edit java classes, even without the existence of a java source file - using the java macro instructions, those described in The Java Language Specification.
    Downloads: 2 This Week
    Last Update:
    See Project
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  • 5
    zClipse is a project for building Eclipse (http://www.eclipse.org) plugins. Plugins currently being developed include: TabNavigator - editor enhancements; JScheme - Scheme integration; Insectivore - shared TeamTasks, integrated with Tasks view.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 6
    Mail Sniper is an extension for Mozilla Thunderbird that allows you to backtrack you emails and get information about the transmitting servers. You can also visualize the results on different ways.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 7
    Web-based email client written in PHP 4. Planned features for this client include 1) multiple Inboxs, 2) LDAP-based Adress Book, 3) multiple mime-types viewable online, 4) support thumbnail views of image attachments.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 8
    the project has moved to <a href=http://aptg2.schattenzauberer.de>http://aptg2.schattenzauberer.de</a> visit the project there
    Downloads: 1 This Week
    Last Update:
    See Project
  • 9
    Simple Ajax Wiki that stores wiki pages into FileSystem or Subversion. It uses wikimodel syntaxe, JQuery for HTML DOM manipulation, DWR for Ajax and Spring for J2EE
    Downloads: 0 This Week
    Last Update:
    See Project
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  • 10
    AmavisAdmin is a tool to maintain SPAMs, Viruses and blocked mails written to an SQL database by Amavisd-new. Mails can be removed automatically or manually, or they can be released to be send to the recipients.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    ArchAngel INC is a web-based community for developers in some Open Source projects based primarily in Joomla! We are now developing some web applications to use directly with Joomla! systems (custom & automatic installers included).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    A SMTP-Proxy that allows authenticated SMTP sessions to traverse, while stopping SMTP sessions from internet worms and SPAM bots. It can also be used transparently so clients need no additional settings, just auth. to their freemail of choice.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    Encode/Decode library to/from Basic Encoding Rules (BER) of ASN.1 written in Visual Basic .Net. Useful to implement any protocol that uses BER (LDAP, SNMP, etc.).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    Public domain portable Naive Bayesian message filter aimed towards C programmers.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    BeeMail is a PHP based web mailer. It works with PHP c-client extension. It render pages in XHTML, support MIME, vCard, message templates, i18n, additional themes and much more ...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    BloglinesMailer makes use of the bloglines.com webservices API to retrieve RSS feeds and email them.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    Mail Web Frontend based on Tapestry, Spring and Hibernate. Configure several accounts with one account
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    This is a project initiated by the community around Stalkers CommuniGate Pro email server. The project is to maintain and develop an opensource WebSkin (interface) to the server. Platforms: Most UNIX's, AS/400, Windows etc. Look at Stalker.com.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    CODIUS is a simple tool to ask for help/support in a collaborative environment such a knowledge intensive communities whose members have experience in different areas. This tool simplifies the knowledge sharing between the community members.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    Cloud Suite is a collection of web apps, meant to be run on a personal server. This is an excellent substitute for the large cloud, for those who are concerned about privacy. Because it is not run by a company, you have full control over your data.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    This application is an email ( POP3/SMTP ) application built with eclipse 3.1.1. It shows the power of eclipse to build RCP apps. It is using the embedded version of Derby as the DBMS
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    CollabOffice is a web based Personal Information Manager (PIM) which allows teams to share and work together. It provides email, documents, calendar, contacts, instant messaging, news (nntp), and online web based administration.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    Community-based interoperability Utility for SMEs. Commius main objective is to support the SMEs with a zero, or very low-cost, entry into interoperability, based on non-proprietary protocols. Commius is an EU-FP7 funded project.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    CPO is a tool written in Java that manages newsletters. It's focused on corporate needs (privacy, scalability, bounce count, opt-in & out, newsletter statistics).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    Cryptix OpenPGP is a library which implements the OpenPGP standard (RFC 2440) in Java.
    Downloads: 0 This Week
    Last Update:
    See Project
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