Alternatives to Simple Mail for all platforms with any license

  • Thunderbird icon

    Thunderbird

    Thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. The project strategy is modeled after...

    Open Source Mac Windows Linux BSD Haiku

  • Apple Mail icon

    Apple Mail

    There’s big news attached. The best way to manage email on a Mac gets even better with OS X Yosemite.

    Free Mac iPhone iPad

  • Mailbird icon

    Mailbird

    The Best Email Client for Windows 7, 8 & 10 - Mailbird is more than just another email client. It's an all-in-one...

    Freemium Windows

  • Opera Mail icon

    Opera Mail

    Opera Mail powerfully organizes, indexes, and sorts your messages. It has spam filtering (both automated and Bayesian), supports...

    Free Mac Windows

  • eM client icon

    eM client

    Fully functional alternative to Microsoft Outlook, including native interoperability with Exchange servers.

    Free Personal Windows

  • Postbox icon

    Postbox

    Postbox is an email application that helps you organize your work life and get stuff done. It has all the elegance and simplicity...

    Commercial Mac Windows

  • Evolution icon

    Evolution

    Evolution is the official personal information manager and workgroup information management tool for GNOME. It combines e-mail...

    Open Source Linux BSD GNOME

  • Geary icon

    Geary

    Geary is an email application built for GNOME 3. It allows you to read and send email with a simple, modern interface.

    Open Source Linux BSD GNOME

  • Airmail icon

    Airmail

    Airmail is a lightweight and lightning fast mail client for Mac. Feature list: Accounts: - Unified Inbox and folders - Multi...

    Commercial Mac iPhone iPad Apple Watch

  • EssentialPIM icon

    EssentialPIM

    EssentialPIM lets you manage appointments, tasks, notes, contacts, password entries and email messages across multiple devices and...

    Freemium Windows Android iPhone

  • Sparrow icon

    Sparrow Discontinued

    Sparrow is a minimalist mail application for Mac. It was designed to keep things simple and efficient. No fancy stuff here... just...

    Commercial Mac iPhone

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  • Windows Live Mail icon

    Windows Live Mail Discontinued

    Windows Live Mail (formerly named Windows Live Mail Desktop) is a freeware email client from Microsoft. It is the successor to Outlook...

    Free Windows

  • Mutt icon

    Mutt

    Mutt is a small but very powerful text-based mail client for Unix operating systems. Some of its features are: color support, message...

    Open Source Mac Windows Linux Xfce

  • The Bat icon

    The Bat

    The Bat! is a secure email client software, built to protect your correspondence against third-parties. The Bat! protects your...

    Commercial Windows

  • Zimbra Desktop icon

    Zimbra Desktop

    The free Zimbra Desktop client allows you to meld the online and offline worlds – storing and synching your email, calendar, contacts...

    Free Personal Mac Windows Linux

  • CloudMagic icon

    CloudMagic

    The email app that gets work done. Works with Gmail, Exchange, Yahoo, Outlook, iCloud, Google Apps, Office 365 and any IMAP account. ...

    Freemium Mac Android iPhone Android Tablet iPad Apple Watch ... Android Wear

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  • Horde icon

    Horde

    Horde Groupware is a free, enterprise ready, browser based collaboration suite. Users can manage and share calendars, contacts, tasks...

    Open Source Web / Cloud

  • Polymail icon

    Polymail

    The most powerful platform for email productivity in a beautiful native app — on desktop and mobile.

    Free Mac iPhone iPad

  • Mail icon

    Mail

    Windows 10 has Mail and Calendar apps already built in. With the Mail application you can now...

    Free Windows

  • Kontact icon

    Kontact

    Kontact is the integrated Personal Information Manager of KDE. Kontact suite unites mature and proven KDE PIM applications under...

    Open Source Windows Linux

  • sup icon

    sup

    Sup is a console-based email client for people with a lot of email. It supports tagging, very fast full-text search, automatic...

    Open Source Linux

  • Alpine icon

    Alpine

    Alpine is a fast, easy to use email client that is suitable for both the inexperienced email user as well as for the most demanding of...

    Open Source Mac Windows Linux

  • nPOPuk icon

    nPOPuk Discontinued

    nPOPuk is an ultra-small, but comprehensive, e-mail client that runs on a wide range of Windows-based operating systems

    Open Source Windows Windows Mobile

  • NaSMail icon

    NaSMail

    NaSMail is a standards-based webmail package written in PHP. It includes built-in pure PHP support for the IMAP and SMTP protocols...

    Open Source Web / Cloud

  • Kontact - KMail icon

    Kontact - KMail

    KMail is the email component of Kontact, the integrated personal information manager of KDE. Kontact is a personal information manager...

    Open Source Mac Windows Linux BSD

  • GyazMail icon

    GyazMail

    GyazMail is a email client software for Mac OS X, based on Cocoa framework, simple, easy-to-use with many features.

    Commercial Mac

  • Email.biz icon

    Email.biz

    Indian Webmail service allowing people to sign up for an @email.biz mail account. Cloud based Login and Multiple Login System give...

    Free Web / Cloud

  • Columba icon

    Columba Discontinued

    Columba is an email client written in Java, featuring a user-friendly graphical interface with wizards and internalionalization...

    Open Source Mac Windows Linux BSD

  • Atmail Email Server icon

    Atmail Email Server

    Atmail webmail system offers a webmail client, email server platform and mailserver appliance for Linux, Unix and Windows. ...

    Commercial Linux Web / Cloud

  • NOCC

    NOCC is a webmail client written in PHP. It provides webmail access to IMAP and POP3 accounts.

    Open Source Web / Cloud

  • NeoMail icon

    NeoMail

    NeoMail is a web-based mail client that allows users to access their mail spools and send messages. It does not require a POP3 server...

    Open Source Web / Cloud

  • Neomailbox

    Neomailbox has been providing secure and reliable email and private surfing services for over 10 years, enabling thousands of...

    Commercial Web / Cloud