Email Clients (MUA) Software


  • More...
    • More...
    • More...

Category Category

    • More...

License License

    • More...

Translations Translations

  • More...

Programming Language Programming Language

  • More...

Status Status

  • More...

Audience Audience

    • More...

User Interface User Interface

    • More...
  • More...

Database Environment Database Environment

    • More...

Freshness Freshness

Email Clients (MUA) Software

  • Use DigitalOcean to Build, Deploy & Scale Web Apps Use DigitalOcean to Build, Deploy & Scale Web Apps Icon
    Use DigitalOcean to Build, Deploy & Scale Web Apps Icon

    The ease and simplicity of DigitalOcean gives developers more time to build and innovate for their customers.

    Thousands of businesses and developers around the world use DigitalOcean to easily deploy, manage, and scale applications of any size with less infrastructure friction. Go from one to a thousand virtual servers in seconds. Also, we continue to add hundreds of in-depth tutorials to our documentation library and have an active online community to get the support you need to succeed.
  • ManageEngine now lets you patch computers from cloud ManageEngine now lets you patch computers from cloud Icon
    ManageEngine now lets you patch computers from cloud Icon

    ManageEngine Patch Manager Plus offers patching capabilities on cloud - Patch all OS updates and 550 third party apps on-demand and stay secure!

    Last year saw the hackers unleash their expertise in skills for a ransom - targeting those unpatched computers in data-critical institutions. Only if the computers were patched on time, billions of dollars could have been saved. ManageEngine’s Patch Manager Plus comes to your rescue, offering you an automated patching solution, now on cloud, for latest hotfixes of Windows updates and a wide range of third-party applications (over 550 of them).
    Automate patching with Patch Manager Plus, sit back & relax!
    Patch on cloud now
  • Roundcube Webmail Icon

    Roundcube Webmail

    Free and open source webmail software

    Roundcube Webmail is a browser-based, multilingual IMAP client with an application-like user interface. Roundcube provides the full functionality you'd expect from an email client, including MIME support, address book, folder manipulation, message searching, and spell check. Roundcube is written in PHP and JavaScript.

  • SquirrelMail Icon


    SquirrelMail is a PHP-based Web email client. It includes built-in pure PHP support for IMAP and SMTP, and renders all pages in pure HTML 4.0 for maximum compatibility across browsers. It has strong MIME support and a flexible plugin system.

  • Outlook Mail Merge Attachment

    Outlook Mail Merge Attachment is a script which can be used to add an attachment to an mail merge in Microsoft Outlook.

  • Claws Mail Icon

    Claws Mail

    Claws Mail is a GTK+ based, lightweight, and fast e-mail client and newsreader. Supports POP3, APOP, IMAP, SMTP, SMTP AUTH, NNTP, LDAP, multiple accounts, spell-checking, addressbook, SSL, GPG, filtering, i18n, & more. It is further extended by plugins.

    Downloads: 696 This Week Last Update: See Project
  • PopTray

    PopTray is a mail notifier written in Delphi for the Windows platform. It sits in your tray notification area and check mail from multiple accounts on a timer interval. Preview, Delete, Rules, Plug-ins and translated into more than 30 languages.

  • Multi-vendor storage monitoring simplified Multi-vendor storage monitoring simplified Icon
    Multi-vendor storage monitoring simplified Icon

    Monitor your multi-vendor storage to help ensure your applications get the performance & capacity they need with SolarWinds® Storage Resource Monitor.

    SolarWinds Storage Resource Monitor (SRM) gives you multi-vendor storage performance monitoring and alerting to help ensure peak storage performance. Automated capacity planning helps you predict storage shortages, reclaim space, and prevent application outages. SRM integrates with other Orion® Platform products to provide end-to-end visibility into the application stack, and lets you easily troubleshoot performance issues from application to storage.
  • PoptrayU Icon


    Email Notifier For Windows

    This email notifier sits in your system tray and pops up a notification when new messages arrive. Preview your email before downloading it to your mail client or launching webmail applications. Create rules to delete or change the priority of messages. This program builds upon the open source PopTray mail notifier adding many new features including Windows Vista/7/8/10 support, UTF-8 and unicode support, HTML Preview, IMAP support, TLS & SASL support, etc.

  • Magic Mail Monitor 3

    Magic Mail Monitor3 - Windows mail checker with multiple mailboxes support, ability to preview and delete messages. Based on original code of Magic Mail Monitor from Valeriy Ovechkin.

  • Berm Mart

    Collection of Perl programs for accessing webmail accounts from a Unix command line

    Downloads: 598 This Week Last Update: See Project
  • Hastymail Icon


    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".

  • EmailSender

    It is an email sender. This software can send your mass marketing bulk email to unlimited mailing list. The program can send via SMTP server, MAPI, or delivers e-mail directly without ISP's mail system. Also includes flexible address filters and rules.

  • Monitor Your Most Critical Cloud & SaaS Applications Monitor Your Most Critical Cloud & SaaS Applications Icon
    Monitor Your Most Critical Cloud & SaaS Applications Icon

    Get insights into the performance of applications and services such as AWS, Salesforce, Office 365 and WebEx.

    With a view into both web and network health, you'll be able to pinpoint the cause of an outage instantly, whether it's within your network, a provider's network or the SaaS application. Save time, track SLAs and clear tickets faster.
    Are you involved with your company's network performance/operations team?
    Try It FREE!
  • EC Mail Client for Unix and X.

    Ec supports reading, composing, and sorting messages in user defined folders. It can send and receive mail to and from remote POP3 and SMTP servers, and route mail using sendmail, exim, and qmail. Ec also supports MIME attachments and multiple accounts

  • SaltOS Icon


    SaltOS, ERP, CRM, Business Management Suite, Josep Sanz Campderrós

    SaltOS is a Business Management solution 100% Cloud Computing. It integrates features like CRM (Customer Relation Management) and ERP (Enterprise Resource Planning). Moreover is it licensed as 100% free software GPL-3.0.

  • Aegis Implicit Mail (AIM) Icon

    Aegis Implicit Mail (AIM)

    Send Mime and Smime Emails to Any Type of Mail Server

    Aegis Implicit Mail is a free and open source library which is designed to provide fast and developer friendly API to send emails using SMTP ports. Binaries are available in the form of NuGet package: Please check as well AIM Supports : * None Ssl Mails * Implicit Ssl Mails * Explicit Ssl Mails * Smtp Connection test * Detect Ssl type of mail server * Attachments for MIME and S/MIME message. * In-line attachment and separate file attachment * All content types and mimes * SMIME , Signed and Encrypted mails In an integrated way Sadly, Microsoft.Net.Mail Ssl Mails does not support Implicit Ssl Mail and it is still used by many servers, including port 465 of Gmail here AIM comes to make a readable and fast alternative to send your smtp mails. For unicode issues please refer to . We really appriciate any help in testing of different encodings

  • re-alpine

    The continuation of the Alpine email client from University of Washington.

  • NOCC Icon


    NOCC is a simple and fast Webmail client which can handle POP3, SMTP, and IMAP servers. It is written with PHP5 (uses sessions), has low requirements (no database, frames). Features multi-language support, MIME attachments, displays HTML messages.

  • SimpleMail

    Note! Code and issues are maintained at 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: 84 This Week Last Update: See Project
  • Columba Icon


    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.

  • Trojita

    Trojitá, a Qt IMAP e-mail client

  • Mahogany mail and news client

    An extremely configurable portable GUI email and news client for Windows/Unix (including OS X) with IMAP, POP3, SMTP, and NNTP support, SSL, flexible address database, Python scripting, powerful filtering, and many other features for advanced users.

  • AfterLogic WebMail Lite PHP  Icon

    AfterLogic WebMail Lite PHP

    AfterLogic WebMail Lite PHP is a free AJAX webmail application. Users can receive, view, manage, compose, and send email through web interface (IMAP and SMTP supported). Source code included.

  • GoldBug - Encrypted Communications Icon

    GoldBug - Encrypted Communications

    Instant Chat Messenger. E-Mail-Client. Websearch. Filetransfer.

    GoldBug is a decentralized & secure communication suite that offers an integrated e-mail client, an instant messenger, and a file transfer utility. Also included is a URL-distribution and search tool. ● English Manual: ● Deutsches Handbuch: ● ● Audit: BIG SEVEN Study ● Source: ● Compiling-Info: ● GoldBug has Server-Software included and also works with the Android Chat Server "SmokeStack" under: By 2017-09-30 the project test server has been discarded, please learn to set up your own crypto chat server or use the POPTASTIC function (crypto chat over IMAP/POP3 servers)

    Downloads: 49 This Week Last Update: See Project
  • Python IMAP Email Client

    Python IMAP email client. Cross platform email client that works on both windows and linux. Emphasis is on usability and stability. Requires python, pygame, PIL, pmw, and pywin32.

    Downloads: 41 This Week Last Update: See Project
  • LNMail Icon


    Simple Lotus Notes mail client

    LNMail is a graphical user interface to access your Lotus Notes mail messages. It is mainly intended to organize the messages stored on the Lotus Notes server. Since by default the space of your Lotus Notes mail account is limited, LNMail gives you easy and seamless access to your created archives. Organization and finding mails should now be easy.

  • Easy Task Control

    This project provide features to manage your tasks and control your activities. Get rpts as Pending Items, Latest and Solved Items. Send these to someone by e-mail and Schedule your tasks to receive alerts.

    Downloads: 36 This Week Last Update: See Project
  • FreeMiCal

    FreeMiCal allows the bulk export of MS Outlook appointment items to RFC 2445 conformant iCal format. .NET 2.0 or greater and Outlook 2003 or 2007 Interop Services required.

  • Previous
  • You're on page 1
  • 2
  • 3
  • 4
  • 5
  • Next

Get latest updates about Open Source Projects, Conferences and News.

No, Thank you