Alternatives to Mailbox 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 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

  • Inbox by Gmail icon

    Inbox by Gmail

    Built on everything that we've learned from Gmail, Inbox is a fresh start that goes beyond email to help you get back to what matters. Bundles, because some messages just belong together. Promotions are now neatly...

    Free Web / Cloud Android iPhone Chrome OS iPad Chrome

    No features added Add a feature
  • K-9 Mail icon

    K-9 Mail

    K-9 is an open source email client for Android with multi-folder sync, email signatures, Bcc-to-self, return-address configuration, keyboard shortcuts, Exchange Support, message flagging, IMAP deletes, saving attachments, configurable...

    Open Source Android Android Tablet

  • 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

    No features added Add a feature
  • Mailbird icon

    Mailbird

    Mailbird is more than just another email client - It's an all-in-one communication platform for email, contacts, calendar, apps, task management, video meetings and much more. Try it free, today.

    Freemium Windows

    No features added Add a feature
  • eM Client icon

    eM Client

    eM Client is a full featured e-mail client with a modern and easy to use interface. eM Client also offers calendar, tasks, contacts and chat.

    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 of Apple Mail, but with more power and flexibility to manage even the most demanding workloads. ...

    Commercial Mac Windows

  • 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

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  • Inky icon

    Inky

    End-to-End Encrypted Email that is a Delight to Use, on all devices, with all email accounts.

    Commercial Mac Windows Android iPhone Android Tablet iPad

    No features added Add a feature
  • 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

    • This is an absolutely amazing alternative to Mailbox, it says that it's ''Freemium'' here, but in fact it's pretty much completely free. At the moment there is 1 in app purchase you could buy which is completely unneeded, so in my eyes it is absolutely free. and amazing i might add. Guest • May 2016 Disagree   Agree
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  • 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
  • Kiwi for Gmail icon

    Kiwi for Gmail

    Kiwi for Gmail (formerly Gmail for Mac) turns Gmail into a full-powered desktop email client. No one wants to use Gmail in the browser on their phone, and we felt they shouldn't have to on the Mac either. Kiwi for Gmail is a...

    Freemium Mac

  • Mailstrom icon

    Mailstrom

    Mailstrom is a web-based email client that allows you to take bulk actions on your inboxes. Connect it to your email (Gmail, Outlook, AOL, iCloud, etc) and then Delete, Archive and Move messages by the hundreds or thousands. Keep your...

    Freemium Web / Cloud

    No features added Add a feature
  • 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

  • Unibox icon

    Unibox

    Unibox is a people centric email client that organizes your messages by person. It avoids having email like a to-do list. Features: - Unibox supports IMAP servers: Gmail, iCloud, me.com, Yahoo!, Exchange if IMAP is enabled...

    Commercial Mac

  • 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

  • MailMate icon

    MailMate

    MailMate is an IMAP email client for Mac OS X featuring extensive keyboard control, Markdown supported email composition.

    Commercial Mac

  • myMail icon

    myMail

    myMail is the smart email app for managing all your accounts on iOS and Android. Use myMail to manage messages in your Gmail, Hotmail, Live, Outlook, Yahoo, MSN, iCloud and AOL email accounts at once. The app also supports any...

    Free Android iPhone Android Tablet iPad Apple Watch

  • 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.
  • Mia for Gmail icon

    Mia for Gmail

    Mia is a native Gmail application on your Mac's menu bar! Read and compose your emails without a browser (attachment files supported). Quick email overview (pass your mouse over an email). Desktop notifications for incoming...

    Freemium Mac

  • eMail Widget icon

    eMail Widget

    Now Manage Your Emails DIRECTLY in Notification Center. Archive or Star an email, Mark an email as Read, Report Spam and Delete emails all with a single tap.

    Commercial iPhone iPad

    No features added Add a feature

Mailbox Comments

Where is Spark (and Polymail) as alternatives?

Comment by pacorob
about Mailbox Feb 2016

Spark and Polymail should definitely also be added to the list of alternatives for Mailbox.

My favorite is Spark and after that Airmail. Outlook is also ok but lacks a great search feature. You can only search in e-mail of 2 months old.

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