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 with Pop and IMAP access, SPAM protection, display of email threads as conversations, a labeling and...

    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 Mozilla Firefox. It supports POP (storing mail locally on your hard drive so that it can be accessed...

    Open Source Mac Windows Linux BSD PortableApps.com Haiku

  • Zoho Mail icon

    Zoho Mail

    Zoho Mail is a webmail service built with the needs of a modern business in mind. It provides features for business users to communicate effectively while catering to the customization and mailbox management needs of IT...

    Freemium Web / Cloud Android iPhone

    No features added Add a feature
  • Nylas Mail icon

    Nylas Mail

    Nylas Mail is an email client designed to be friendly and easy to use but also powerful and highly extensible. It works "out of the box" with all the major email services like Gmail, Yahoo and iCloud and the lightweight...

    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 interface Easy configuration, intuitive operation Abundant features Extensibility ...

    Open Source Windows Linux BSD Xfce

  • Spark icon

    Spark

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

    Free Mac iPhone iPad Apple Watch

    No features added Add a feature
  • Newton icon

    Newton

    Newton (previously CloudMagic) is a fully featured mail client available for Android, iOS and macOS. Works for watch too. It's based on cloud so you can connect it to any account and get fast search, push notifications, read...

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

  • FossaMail icon

    FossaMail

    FossaMail is an Open Source, Mozilla Thunderbird -based mail, news and chat client for Windows and Linux, brought to you by the Pale Moon developers. FossaMail: Is built from source with compiler optimizations...

    Open Source Windows Linux

    No features added Add a feature
  • 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 and clear conversations. Get all your mail done in one simple and effective email app. Easily setup...

    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 that are safe, beautiful and easy to use. We’re passionate about changing the status quo and...

    Commercial Web / Cloud

    No features added Add a feature
  • TypeApp icon

    TypeApp

    TypeApp is an all-free, beautifully designed, universal email app, capable of managing unlimited number of mail accounts from various providers, allowing for smart push notifications while enabling personalization across multiple...

    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 services: Gmail, Yahoo, Hotmail, FastMail, Apple mail services (@me.com / @mac.com), GMX, AOL, and more....

    Freemium Android Android Tablet

  • Columba icon

    Columba

    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.

    Open Source Mac Windows Linux BSD

    No features added Add a feature
    • Discontinued The project is no longer developed. Last version, 1.4, released in March 2007, can be still downloaded from SourceForge.
  • Share this list of alternatives?

  • Koma-Mail icon

    Koma-Mail

    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 Koma-Mail from your flash drive but, of course, also on your desktop. For safety reasons...

    Free Windows

    • Discontinued The program seems to be no longer updated. Last version, 3.83, released in March 2012, can be still downloaded from the official website.
  • 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 AOL. EmailTray intelligently ranks messages, prioritizes them into 4 Inboxes and alerts you only to the...

    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

    No features added Add a feature
  • Mailburn icon

    Mailburn

    Mailburn is an iPhone email client that shows your conversations with real people as chats, without "Show quoted text" and other distracting stuff. Conversation that takes 3 screens in Gmail app fits in one screen in...

    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

    No features added Add a feature
  • Hiri icon

    Hiri

    Fast, good looking email client. Lighter than MS Outlook with some unique and clever features.

    Free Personal Mac Windows Linux

    No features added Add a feature
  • TrulyMail icon

    TrulyMail

    TrulyMail is an email client and a private messaging system, very feature rich (voice recording, script blocking, etc.). Features: Spell checking in nine languages, HTML and plain text messages, Tagging messages with notes...

    Free Windows

    No features added Add a feature
  • Mailroom icon

    Mailroom

    Mailroom provides seamless integration between Gmails world class mobile web app and familiar iPhone conventions, along with progressive web interface enhancements for features Google left out, giving you access to your local iPhone...

    Commercial iPhone

    No features added Add a feature
  • 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, from folder management to Windows Live Contacts - all with a slick user interface, great performance...

    Commercial iPhone

    No features added Add a feature
  • mailPro icon

    mailPro

    mailPro is a Hotmail, MSN & Windows Live account manager, with essential features to keep your email synchronized. The native POP3 Hotmail & Windows Live email provides limited capabilities for accessing your email. For...

    Freemium iPhone

    No features added Add a feature
    • Discontinued Not found in iTunes store. Not available from author's homepage.
  • 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 directly from your phone. Send photos, recorded sound or simply text messages to friends, from...

    Freemium Windows Mobile Android S60 Android Tablet

    No features added Add a feature

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!