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Unibox Alternatives for Windows

Unibox is not available for Windows but there are some alternatives that runs on Windows with similar functionality. The best Windows alternative is Postbox. It's not free, so if you're looking for a free alternative, you could try Spike or LucaMail. If that doesn't suit you, our users have ranked more than 25 alternatives to Unibox and seven of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to Unibox are TypeApp, Kiwi for Gmail, Twobird and WunderMail.

Unibox alternatives are mainly Email Clients but may also be Email Organizers or Calendar Apps. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Unibox.
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Unibox iconUnibox
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  • Mac

Unibox is a people centric email client that organizes your messages by person. It avoids having email like a to-do list.

Learn more about Unibox

  1. Postbox is an email application that helps you organize your work life and get stuff done.

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  2. Spike icon

    Spike

    • FreemiumProprietary
    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • Software as a Service (SaaS)
    • Oculus Rift

    Bring your workspace together into one unified app. It’s everything your team has been looking for in a productivity and messaging app, but easier, and all with your email.

    One powerful space for all your work needs—get email, chat, notes, tasks, calendar and audio/video calls all from your inbox


  3. LucaMail icon

    LucaMail

    • FreeOpen Source
    • Mac
    • Windows
    • Linux

    LucaMail is an open source, cross-platform email client. LucaMail is developed to provide cross-platform alternative to Email Clients that are really exists. LucaMail focuses on modern technologies as well as maintaining a user-friendly UI.

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  4. TypeApp icon

    TypeApp

    • Free PersonalProprietary
    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Android Wear
    • Kindle Fire

    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 email accounts.

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  5. Kiwi for Gmail icon

    Kiwi for Gmail

    • FreemiumProprietary
    • Mac
    • Windows
    • Windows S

    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 Mac or Windows either.

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  6. Twobird icon

    Twobird

    • FreeProprietary
    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad

    Welcome to Twobird, a new kind of email app that includes all your everyday tools. Write emails, create notes, set reminders and assign to-dos — all in your inbox.

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  7. WunderMail icon

    WunderMail

    • FreemiumProprietary
    • Windows
    • Gmail

    The missing native desktop client for Gmail on Windows 10.

    Discontinued

    Development seems to have stopped. The latest version on the Windows Store is from 2018.

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Showing 7 of 7 alternatives