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Thunderbird

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Claimed by Mozilla Foundation Analyzed about 11 hours 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: https://thunderbird.net

6.06M lines of code

80 current contributors

about 12 hours since last commit

3,313 users on Open Hub

Very High Activity
4.15272
   
3 Reviews
I Use This
Mostly written in Rust
Licenses: mozilla_p...
Tags antispam bayesian email filter gui imap mozilla pop rss smtp spam thunderbird

mutt

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  Analyzed about 16 hours 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]

115K lines of code

32 current contributors

about 1 month since last commit

468 users on Open Hub

Low Activity
4.53191
   
1 Review
I Use This
Mostly written in C
Licenses: gpl
Tags command_line email gpg imap mail mime mta mua

Evolution

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  Analyzed about 1 hour ago

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

1.08M lines of code

73 current contributors

1 day since last commit

278 users on Open Hub

High Activity
3.83146
   
2 Reviews
I Use This
Mostly written in C
Licenses: lgpl21_or...
Tags antispam caldav calendar eds email evolution evolution-data-server gnome gtk+ gui ical imap 9 more...

Dovecot

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  Analyzed 1 day ago

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

533K lines of code

12 current contributors

4 days since last commit

256 users on Open Hub

High Activity
4.51471
   
0 Reviews
I Use This
Mostly written in C
Licenses: BSD-3-Clause, lgpl21, mit
Tags daemon dovecot email imap mail maildir mbox pop pop3 privsep server service 2 more...

Roundcube Webmail

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  Analyzed about 5 hours 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]

234K lines of code

25 current contributors

about 1 month since last commit

219 users on Open Hub

Moderate Activity
4.37879
   
4 Reviews
I Use This
Mostly written in PHP
Licenses: gpl
Tags addressbook client email groupware gui i18n imap javascript ldap multilingual multi_platform php 4 more...

Kontact

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Claimed by KDE Analyzed about 16 hours 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]

13.9K lines of code

6 current contributors

about 24 hours since last commit

148 users on Open Hub

Moderate Activity
4.23404
   
0 Reviews
I Use This
Mostly written in C++
Licenses: gpl
Tags calendar calendars collaboration contacts email groupware ical imap kde kolab ldap linux 9 more...

SquirrelMail

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  Analyzed over 1 year ago

SquirrelMail is a standards-based Webmail package. It includes built-in pure PHP support for the IMAP and SMTP protocols, and all pages are rendered in pure HTML 4.0 for maximum compatibility across browsers. It has very few requirements, and is very easy to configure and install. It has all the ... [More] functionality you would want from an email client, including strong MIME support, address books, and folder manipulation. [Less]

234K lines of code

1 current contributors

over 1 year since last commit

131 users on Open Hub

Activity Not Available
3.86207
   
2 Reviews
I Use This
Mostly written in PHP
Licenses: gpl
Tags application apps download downloads email email_clients_(mua) http imap linux mailing mailing_list_servers maillist 8 more...

OBM

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Claimed by Linagora No analysis available

OBM is a groupware, email, LDAP, Windows PDC, CRM, and project management application. It is mainly used as an Exchange or Notes/Domino groupware and mail server replacement, as an LDAP directory, as a Windows PDC, as a contact and customer database, as a project management tool, or as any ... [More] combination of these functions. It provides groupware (calendars, contacts, and tasks) connectors for Outlook, Thunderbird/Lightning, and PDAs. It supports internationalization and themes. It is highly scalable, and is used by sites from five to many thousands of users. [Less]

0 lines of code

0 current contributors

0 since last commit

60 users on Open Hub

Activity Not Available
4.57143
   
1 Review
I Use This
Mostly written in language not available
Licenses: AGPL3_or_...
Tags activesync ajax antispam antivirus apache calendar calendars collaboration connector contacts CRM customermanagement 28 more...

Horde

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  Analyzed about 15 hours ago

Horde is both an Open Source software project and an application framework written in PHP. The application framework is currently the basis for 50 applications written by developers from around the world, including the flagship IMP Webmail client, the popular Chora repository viewer, and a complete ... [More] groupware suite. The guiding principles of the Horde Project are to create solid standard-based applications using intelligent object oriented design, and wide-ranging platform and backend support. There is great emphasis on making Horde as friendly to non-English speakers as possible. The Horde Framework currently supports many localization features such as unicode and right-to-left text, and is shipped with translations in over 40 languages. [Less]

3.65M lines of code

2 current contributors

6 months since last commit

52 users on Open Hub

Very Low Activity
3.81818
   
1 Review
I Use This
Mostly written in PHP
Licenses: apache_2, BSD-3-Clause, gpl
Tags ajax bug calendar collaboration contacts cvs email filemanager filter forwards framework freebusy 36 more...

Courier Mail Server

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  Analyzed about 15 hours ago

The Courier mail transfer agent (MTA) is an integrated mail/groupware server based on open commodity protocols such as ESMTP, IMAP, POP3, LDAP, SSL, and HTTP. Courier provides ESMTP, IMAP, POP3, Webmail, and mailing list services within a single consistent framework. Individual components can be ... [More] enabled or disabled at will. Courier implements basic Web-based calendaring and scheduling services integrated in the Webmail module. [Less]

408K lines of code

0 current contributors

12 days since last commit

48 users on Open Hub

Moderate Activity
4.0
   
0 Reviews
I Use This
Mostly written in C
Licenses: No declared licenses
Tags collaboration debian email filter imap linux mta pop3 server site_management smtp systems_administration 2 more...