Open Source Linux Email Clients
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Email Clients for Linux
View 21 business solutionsBrowse free open source Email Clients and projects for Linux below. Use the toggles on the left to filter open source Email Clients by OS, license, language, programming language, and project status.
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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.
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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
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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
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The All-in-One Commerce Platform for Businesses - ShopifyShopify is a leading all-in-one commerce platform that enables businesses to start, build, and grow their online and physical stores. It offers tools to create customized websites, manage inventory, process payments, and sell across multiple channels including online, in-person, wholesale, and global markets. The platform includes integrated marketing tools, analytics, and customer engagement features to help merchants reach and retain customers. Shopify supports thousands of third-party apps and offers developer-friendly APIs for custom solutions. With world-class checkout technology, Shopify powers over 150 million high-intent shoppers worldwide. Its reliable, scalable infrastructure ensures fast performance and seamless operations at any business size.
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Heirloom mailx (formerly known as "nail") is intended provide the functionality of the POSIX mailx command with additional support for MIME messages, IMAP (including caching), POP3, SMTP, S/MIME, message threading/sorting, scoring, and filtering.
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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 -
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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.
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Remote Mail is a multi-account Webmail manager. Quick as a webmail, yet powerful like a POP Email client, it lets you access via Web many POP accounts at once. The ideal companion for people who want to quickly read their mail everywhere they are.
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php/MySQL based webmail program. Currently only supports pop3, IMAP is in the works. Has a notebook, a favorites organizer and an addressbook.
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ManageEngine Endpoint Central for IT ProfessionalsManageEngine's Endpoint Central is a Unified Endpoint Management Solution, that takes care of enterprise mobility management (including all features of mobile application management and mobile device management), as well as client management for a diversified range of endpoints - mobile devices, laptops, computers, tablets, server machines etc. With ManageEngine Endpoint Central, users can automate their regular desktop management routines like distributing software, installing patches, managing IT assets, imaging and deploying OS, and more.
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AtMail is an open source webmail client written in PHP. We aim to provide a elegant Ajax webmail client for existing IMAP mailservers, with less bloat and a focus on an intuitive, simple user interface.
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Blue HttpMail is a library that connects to HTTPMail servers (such as hotmail.com) and a proxy that allows POP3, IMAP and SMTP access to those servers. Blue HttpMail is being developed using the open source library Blue http://bluelib.sourceforge.net
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BlueMamba is a powerful, yet simple, open source PHP webmail application released under the GNU General Public License. The BlueMamba Project is going under some reorganization and is changing owners from X6 Industries to Gazood Technologies. Both co
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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.
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A simple command line utility to perform various tasks on a remote POP3 e-mail box. Intended as a replacement for the Email Manipulator utility(mailtool.exe). List and delete messages by size, range, or keyword. Handy for tech support.
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SMTPUTF8 is email programs that can support internationlized email addresses in UTF-8. SMTPUTF8 permits the use of email addresses that include non-ASCII characters such as Chinese, Japanese, and Korean (CJK).
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A web mail service based on J2EE and open source sql database. It supported rules, addressbook, etc..
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Encki Mail is a web based e-mail system that focusses on ease of use for both the user and the system administrator. The project is being developed for Linux using the popular PHP + MySQL combination.
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IMAP-Agent is an automated IMAP mail folder management system implementing site wide and individual user specific rules for filtering mail between folders. Also, quotas can be maintained by age or max count of messages for any folder.
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IMAPWeb is web-based IMAP client. It is written using Java and uses the Enhydra platform. It supports folders, file attachments (sending and viewing), reply, forward (with attachments) and mail delete.
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JFoxMail is a opensource J2EE webmail application. Access to read from IMAP account, Compose using SMTP, and Address Book management using LDAP is supported.
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Jwapmail is opensource wap (wml) based email client (wapmail) written in PHP using IMAP protocols to communicate with the mailbox server. Jwapmail is compliance to RFC2060 and RFC822. Jwapmail doesn't use php-imap library.
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Your own mailing system (most easiest to use with zero configuration) for the entire world (available in almost all the languages of the world) which will include Mail User Agent and Mail Transfer Agent thus trying to give maximum speed while transferrin
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Kommunicator could organize your communication in a smart way. Due the easy use of plugins you will be able to integrate different communications form like SMS, Mail, IM in a most personalized way, but the programm will stay easy and lightweighted.
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MadMail is a simple Webmail client which can handle POP3, SMTP, and IMAP servers. It is written with PHP (Sessions) an can displays HTML messages and MIME attachments. Features multi-language support No Database required