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Claimed by Mozilla Foundation Analyzed 7 months ago

Thunderbird delivers. Enjoy safe, fast, and easy email, with intelligent spam filters, quick message search, and customizable views. Brought to you by Mozilla, Thunderbird makes email better. User web site: http://www.mozilla.com/thunderbird

882K lines of code

98 current contributors

7 months since last commit

3,265 users on Open Hub

Activity Not Available



Claimed by Apache Software Foundation Analyzed 16 days ago

SpamAssassin is a spam filter that can be used on a wide variety of email systems including procmail, sendmail, Postfix, qmail, and many others.

88.4K lines of code

6 current contributors

4 months since last commit

538 users on Open Hub

Moderate Activity



  Analyzed 9 days ago

Mutt is a small but very powerful text-based mail client for Unix operating systems. Though written from scratch, Mutt's initial interface was based largely on the ELM mail client. To a large extent, Mutt is still very ELM-like in presentation of information in menus (and in fact, ELM users will ... [More] find it quite painless to switch as the default key bindings are identical). As development progressed, features found in other popular clients such as PINE and MUSH have been added, the result being a hybrid, or "mutt." [Less]

99.6K lines of code

24 current contributors

17 days since last commit

469 users on Open Hub

Moderate Activity

Clam AntiVirus


  Analyzed 9 days ago

Clam AntiVirus (ClamAV) is an anti-virus toolkit for Unix. The main purpose of this software is the integration with mail servers (attachment scanning). The package provides a flexible and scalable multi-threaded daemon, a commandline scanner, and a tool for automatic updating via Internet. The ... [More] programs are based on a shared library distributed with the Clam AntiVirus package, which you can use in your own software. [Less]

2.94M lines of code

10 current contributors

18 days since last commit

432 users on Open Hub

Moderate Activity



  Analyzed 16 days ago

Evolution provides integrated mail, addressbook and calendaring functionality to users of freedesktop.org compliant desktop environments.

974K lines of code

94 current contributors

16 days since last commit

273 users on Open Hub

Very High Activity



  Analyzed about 1 year ago

Dovecot is an open source IMAP and POP3 server for Linux/UNIX-like systems, written with security primarily in mind.

327K lines of code

9 current contributors

about 1 year since last commit

256 users on Open Hub

Activity Not Available
Licenses: BSD-3-Clause, LGPL-2.1, MIT



Claimed by KDE Analyzed 2 months ago

KDE PIM is sub project of KDE. Its goal is to provide an application suite to manage personal information. This includes mail, time, people and more. The main result is KDE Kontact, our personal information manager.

302K lines of code

34 current contributors

4 months since last commit

226 users on Open Hub

Activity Not Available

Roundcube Webmail


  Analyzed 11 days ago

Roundcube Webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality you expect from an e-mail client, including MIME support, address book, folder manipulation, message searching and spell checking. Roundcube Webmail is written in PHP ... [More] and requires a MySQL, Postgres or SQLite database. It can easily be extended with integrated plugin API and the user interface is fully skinnable using XHTML and CSS. [Less]

174K lines of code

39 current contributors

14 days since last commit

214 users on Open Hub

High Activity



  Analyzed 9 days ago

GNU Mailman is software to help manage email discussion lists and e-newsletters. Its integrated Web interface provides easy-to-use access for list members and list administrators. Mailman supports built-in archiving, automatic bounce processing, content filtering, digest delivery, spam filters ... [More] , topics, Usenet gateways, and more. It is fully internationalized, and supports digests and email commands. It runs on any Linux or Unix-like operating system and is compatible with most email and Web servers, mail readers, and Web browsers. [Less]

178K lines of code

18 current contributors

20 days since last commit

201 users on Open Hub

High Activity



Claimed by KDE Analyzed 9 days ago

The KDE Kontact Personal Information Management suite unites mature and proven KDE applications under one roof. Thanks to the powerful KParts technology, existing applications are seamlessly integrated into one. The components of KDE Kontact are tailored to work well with each other. This results ... [More] in features like intuitive drag-and-drop between appointment handling, task lists and contacts. KDE Kontact supports various groupware servers. When using these servers your workgroup has access to features like shared email folders, group task lists, calendar sharing, central addressbooks and meeting scheduling. [Less]

239K lines of code

24 current contributors

6 months since last commit

151 users on Open Hub

Moderate Activity