Alternatives to K-9 Mail for all platforms with any license

  • Gmail icon

    Gmail

    Gmail is a free search-based web-mail service. It offers a full featured web-based email client with search capabilities, a mailbox...

    Free Personal Web / Cloud Android iPhone Chrome OS Android Tablet iPad ... Android Wear Kindle Fire

  • 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

  • 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

  • Nylas N1 icon

    Nylas N1

    N1 is an email client designed to be friendly and easy to use but also powerful and highly extensible. It works "out of the...

    Freemium Mac Windows Linux Web / Cloud Self-Hosted

  • Claws Mail icon

    Claws Mail

    Claws Mail is an email client (and news reader), based on GTK+, featuring Quick response Graceful, and sophisticated...

    Open Source Windows Linux BSD Xfce

  • 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

  • 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

  • Newton icon

    Newton

    Newton (previously CloudMagic) is a fully featured mail client available for Android, iOS and macOS. Works for watch too. It's...

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

  • Spark icon

    Spark

    E-mail app with all the great features: swipes (long/short), snooze, add (multiple) attachments from the cloud, support for various...

    Free Mac iPhone iPad Apple Watch

  • FossaMail icon

    FossaMail

    FossaMail is an Open Source, Mozilla Thunderbird -based mail, news and chat client for Windows and Linux, brought to you by...

    Open Source Windows Linux

  • Know any more alternatives to K-9 Mail?

    Suggest an application to this list
  • Mail Wise icon

    Mail Wise

    Mail Wise – Read Just What You Need. The best conversation threads ever. A free email client that transforms messy emails into clean...

    Freemium Android

  • Soverin icon

    Soverin

    Soverin is an independent private company based in Amsterdam, run by a team of internet enthusiasts who want to create great products...

    Commercial Web / Cloud

  • TypeApp icon

    TypeApp

    TypeApp is an all-free, beautifully designed, universal email app, capable of managing unlimited number of mail accounts from various...

    Free Personal Android iPhone Android Tablet iPad Android Wear Kindle Fire

  • Aqua Mail icon

    Aqua Mail

    AquaMail is an email app for Internet and Exchange mail, for Android 4.0.3 and higher. Easy automatic setup for popular email...

    Freemium Android Android Tablet

  • 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

  • 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

  • Share this list of alternatives?

  • SlideMail icon

    SlideMail

    Making email better through artificial intelligence.

    Free iPhone

  • Koma-Mail icon

    Koma-Mail Discontinued

    Koma-Mail is an email client which is comfortable and has very handy functions. It does not need an installation, so that you can run...

    Free Windows

  • EmailTray icon

    EmailTray

    EmailTray is a smart email client and an email notifier for POP3 and IMAP email accounts, including Gmail, Hotmail, Yahoo mail and...

    Free Windows Android

  • Canary Mail icon

    Canary Mail

    Canary is an exciting new email client for Mac that's fast, simple, and secure.

    Free Mac iPhone

  • Mailburn icon

    Mailburn

    Mailburn is an iPhone email client that shows your conversations with real people as chats, without "Show quoted text" and...

    Freemium iPhone iPad

  • WorkSpace icon

    WorkSpace

    WorkSpace is a comprehensive online solution for reading and managing your emails, contacts, calendars, tasks, and Internet favorites

    Commercial Web / Cloud

  • TrulyMail icon

    TrulyMail

    TrulyMail is an email client and a private messaging system, very feature rich (voice recording, script blocking, etc.). Features:...

    Free Windows

  • Mailroom icon

    Mailroom

    Mailroom provides seamless integration between Gmails world class mobile web app and familiar iPhone conventions, along with...

    Commercial iPhone

  • mBoxMail icon

    mBoxMail

    mBox Mail is a fast, full-featured Hotmail client for iOS devices. It offers full access and control of your Windows Live Hotmail...

    Commercial iPhone

  • mailPro icon

    mailPro Discontinued

    mailPro is a Hotmail, MSN & Windows Live account manager, with essential features to keep your email synchronized. The native...

    Freemium iPhone

  • ProfiMail icon

    ProfiMail

    ProfiMail is a powerful email client for mobile phones. It allows you to read your mail on the go, and send text with attachments...

    Freemium Windows Mobile Android S60 Android Tablet

K-9 Mail Comments

Echo echo ... Feels empty in here

Maybe you want to be the first to submit a comment about K-9 Mail ? Just click the button up to your right!