Email Clients

Nothing is more annoying than a messy email inbox and a large part of our work life is about trying to get rid of all those unread mails. Switching to a new email client won’t solve all your problems, but perhaps there is functionality that can make your life easier.

Here we have gathered the best email apps online – software rated, ranked and reviewed by our users. Whether you look for a clean, simple email app for your smartphone or something more advanced for your laptop, you’ll find all alternatives here. Read through reviews and software information and download an email client that suits your needs.

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  1. Thunderbird icon

    Thunderbird

     2457 likes

    Cross-platform email client providing POP/IMAP support, robust filtering, multiple accounts, and chat. Extendable via add-ons with RSS/Atom, etc.

    • Email Client
    • Free • Open Source
    • Mac
    • Windows
    • Linux
    • Android
    • BSD
    • AppImageHub
    • Snapcraft
    • Flathub
    • PortableApps.com
    • F-Droid
    • Haiku
    • Homebrew
    • Chocolatey
    Thunderbird screenshot 1
    Best alternatives are K-9 Mail iconK-9 MailandClaws Mail iconClaws Mail84 alternatives
  2. Proton Mail icon

    Proton Mail

     933 likes

    Secure Swiss-based email with end-to-end encryption and zero third-party access. Available across devices, offering a free version to promote privacy.

    • WebMail Provider
    • Freemium • Open Source
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • iPad
    • Tor
    Proton Mail screenshot 1
    Best alternatives are Tuta Mail iconTuta MailandDisroot iconDisroot99 alternatives
  4. Gmail icon

    Gmail

     3198 likes

    Experience robust security, multiple accounts, chat, and fast search with efficient Gmail email management in a streamlined interface.

    • WebMail Provider
    • Free • Proprietary
    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • Google Chrome
    • Android Wear
    • Android TV
    • Software as a Service (SaaS)
    Gmail screenshot 1
    Gmail screenshot 2
    Gmail screenshot 3
    Best alternatives are Proton Mail iconProton MailandTuta Mail iconTuta Mail79 alternatives
  5. Tuta Mail icon

    Tuta Mail

     482 likes

    End-to-end encrypted app for email, calendar, and contacts, requiring no personal data, with open source code and quantum-resistant security.

    • WebMail Provider
    • Freemium • Open Source
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • iPad
    • Flathub
    • F-Droid
    Mail View
    Best alternatives are Proton Mail iconProton MailandDisroot iconDisroot100 alternatives
  6. K-9 Mail icon

    K-9 Mail

     353 likes

    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 notifications and more.

    • Email Client
    • Free • Open Source
    • Android
    • Android Tablet
    • F-Droid
    K-9 Mail screenshot 1
    Best alternatives are Thunderbird iconThunderbirdandFairEmail iconFairEmail43 alternatives
  7. Ad
    Screenshot
    Zoho Mail icon
    Zoho Mail

    Zoho Mail is a secure, encrypted, and enterprise-ready email solution, a suite of apps tailor-made for your organization's needs.

    Learn More
  8. Microsoft 365 Copilot icon

    Microsoft 365 Copilot

     855 likes

    Office suite offering productivity tools for document creation, collaboration, and AI-enhanced editing across various platforms and devices.

    • Word Processor
    • Freemium • Proprietary
    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • HUAWEI AppGallery
    • iPad
    Microsoft 365 Copilot screenshot 1
    Best alternatives are LibreOffice iconLibreOfficeandONLYOFFICE iconONLYOFFICE49 alternatives
  9. Betterbird icon

    Betterbird

     51 likes

    Open-source client enhancing Thunderbird with more features and bug fixes. Offers security patches and multi-row descriptions like Outlook.

    • Email Client
    • Free • Open Source
    • Mac
    • Windows
    • Linux
    • Flathub
    • Chocolatey
    Betterbird screenshot 1
    Best alternatives are Thunderbird iconThunderbirdandK-9 Mail iconK-9 Mail27 alternatives
  10. Evolution icon

    Evolution

     203 likes

    Evolution is a personal information management application that provides integrated mail, calendaring, address book and task list functionality.

    • Email Client
    • Free • Open Source
    • Linux
    • BSD
    • Flathub
    • S/MIME
    • GNOME
    • OpenPGP
    Mail
    Best alternatives are Thunderbird iconThunderbirdandK-9 Mail iconK-9 Mail73 alternatives
  12. Microsoft Outlook icon

    Microsoft Outlook

     397 likes

    Manage emails, calendars, contacts, and tasks with an intuitive interface. Features smart inbox, file management, and third-party app integration.

    • Email Client
    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Apple Watch
    • Android Wear
    Outlook 365 on Windows
    Best alternatives are Thunderbird iconThunderbirdandK-9 Mail iconK-9 Mail128 alternatives
  13. SeaMonkey icon

    SeaMonkey

     235 likes

    Web-browser, advanced e-mail, newsgroup and feed client, IRC chat, and HTML editing in one application. Itis built on the open source Mozilla Gecko engine, the same code which underlies Thunderbird and is the base for the Firefox browser.

    • Web Browser
    • Free • Open Source
    • Mac
    • Windows
    • Linux
    • BSD
    • PortableApps.com
    SeaMonkey screenshot 1
    Best alternatives are Mozilla Firefox iconMozilla Firefox178 alternatives
  14. FairEmail icon

    FairEmail

     80 likes

    Privacy-focused, open-source email app offering encryption, unlimited accounts, customizable features, unified inbox, and low data usage.

    • Email Client
    • Freemium • Open Source
    • Android
    • Android Tablet
    • F-Droid
    Compose message view.
    Setup screen.
    Messages view with dark theme.
    Best alternatives are Thunderbird iconThunderbirdandK-9 Mail iconK-9 Mail44 alternatives
  15. Outlook.com icon

    Outlook.com

     397 likes

    Outlook.com, part of Office Online (not to be confused with Microsoft Outlook ), is a webmail service from Microsoft, successor of Hotmail.

    Outlook.com screenshot 1
    Best alternatives are Proton Mail iconProton MailandGmail iconGmail72 alternatives
  16. Notion Mail icon

    Notion Mail

     18 likes

    An intelligent inbox that simplifies email management with AI scheduling, snippets, and automated email organization in a familiar and clean design.

    • Email Client
    • Freemium • Proprietary
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Gmail
    Notion Mail screenshot 1
    Best alternatives are Spark Mail iconSpark MailandMailbird iconMailbird16 alternatives
  17. Spark Mail icon

    Spark Mail

     127 likes

    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.

    • Email Client
    • Freemium • Proprietary
    • Mac
    • Windows
    • Android
    • iPhone
    • iPad
    • Apple Watch
    Spark Mail screenshot 1
    Best alternatives are Thunderbird iconThunderbirdandK-9 Mail iconK-9 Mail62 alternatives
  18. eM Client icon

    eM Client

     230 likes

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

    eM Client: Inbox view
    Best alternatives are Thunderbird iconThunderbird61 alternatives