Opera Mail AlternativesEmail Clients and other similar apps like Opera Mail

Opera Mail is described as 'Powerfully organizes, indexes, and sorts your messages' and is a very popular Email Client in the office & productivity category. There are more than 25 alternatives to Opera Mail for a variety of platforms, including Windows, Android, Mac, Linux and Android Tablet apps. The best Opera Mail alternative is Thunderbird, which is both free and Open Source. Other great apps like Opera Mail are K-9 Mail, Evolution, Microsoft Outlook and FairEmail.

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Opera Mail alternatives page was last updated

Alternatives list

  1. Thunderbird icon

    Thunderbird

     2530 likes
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    Cross-platform email client supporting multiple identities, chat, and strong filtering. Extend functionality with add-ons like RSS/Atom feed readers and PGP support.

    86 Thunderbird alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • BSD
    • AppImageHub
    • Snapcraft
    • Flathub
    • PortableApps.com
    • F-Droid
    • Haiku
    • Homebrew
    • Chocolatey
    Thunderbird screenshot 1
     
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    1
    17
    Comments about Thunderbird as an Alternative to Opera Mail
    zibusisomasuku
    Positive
    -3

    The addons extend Thunderbird's functionality making it by far the best email client ever made.

    Review by a new / low-activity user.
    Opera Mail Icon
    Thunderbird icon

    • Most users think Thunderbird is a great Opera Mail alternative.

    • Thunderbird is the most popular Windows, Android, Mac & Linux alternative to Opera Mail.

    • Thunderbird is the most popular Open Source & free alternative to Opera Mail.

    • Thunderbird is Free and Open SourceOpera Mail is Free and Proprietary
    • Thunderbird is Customizable and Privacy focusedOpera Mail is not according to our users
  2. K-9 Mail icon

    K-9 Mail

     367 likes
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    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.

    42 K-9 Mail alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Android
    • Android Tablet
    • F-Droid
    K-9 Mail screenshot 1
    K-9 Mail screenshot 2
    K-9 Mail screenshot 3
     
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    1
    Comments about K-9 Mail as an Alternative to Opera Mail
    ndlinn
    Negative
    2

    Not a desktop email application

    Opera Mail Icon
    K-9 Mail icon

    • K-9 Mail is the most popular Android Tablet alternative to Opera Mail.

    • K-9 Mail is Free and Open SourceOpera Mail is Free and Proprietary
    • K-9 Mail is Privacy focused and LightweightOpera Mail is not according to our users
  4. Evolution icon

    Evolution

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

    69 Evolution alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Linux
    • BSD
    • Flathub
    • S/MIME
    • GNOME
    • OpenPGP
    Mail
     
  5. Ad
    Screenshot
    Superhuman Mail icon
    Superhuman Mail

    Productivity-centered email application streamlines inbox management, uses AI for drafting responses, automates snippets, summarizes conversations, enables timely sends, integrates calendar and CRM, and includes collaborative fea...

    https://superhuman.com
    Learn More
  6. Microsoft Outlook icon

    Microsoft Outlook

     397 likes
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    Streamline emails, calendars, contacts, and task management with a smart inbox prioritizing critical messages. Includes calendar scheduling, third-party app integration like Facebook, Dropbox, and Trello, and support for Microsoft Exchange, Outlook.com, and Gmail, ensuring efficient task and email handling.

    126 Microsoft Outlook alternatives

    Cost / License

    • Pay once or Subscription
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Apple Watch
    • Android Wear
    Outlook 365 on Windows
     

    • Microsoft Outlook is the most popular Web-based, iPhone & iPad alternative to Opera Mail.

    • Microsoft Outlook is the most popular commercial alternative to Opera Mail.

    • Microsoft Outlook is Paid and ProprietaryOpera Mail is Free and Proprietary
  7. FairEmail icon

    FairEmail

     87 likes
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    Open-source, privacy-focused email client offering features such as encryption via OpenPGP and S/MIME, unlimited accounts, a unified inbox, customizable settings, and reformatted emails to prevent phishing. Supports two-way synchronization and provides Pro features for additional customization.

    43 FairEmail alternatives

    Cost / License

    • Freemium (Pay once)
    • Open Source

    Application type

    Platforms

    • Android
    • Android Tablet
    • F-Droid
    Compose message view.
    Setup screen.
    Messages view with dark theme.
     
  8. eM Client icon

    eM Client

     232 likes
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    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.

    61 eM Client alternatives

    Cost / License

    • Freemium (Pay once)
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Android
    eM Client: Inbox view
     
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    1
    Comments about eM Client as an Alternative to Opera Mail
    hanssietsma
    Positive
    1

    Compatibility with native exchange server, so one can sync not only mail, but tasks, calender and contacts too.

    Opera Mail Icon
    eM Client icon

    • Most users think eM Client is a great Opera Mail alternative.

    • eM Client is Freemium and ProprietaryOpera Mail is Free and Proprietary
  10. Spark Mail icon

    Spark Mail

     137 likes
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    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.

    62 Spark Mail alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • iPad
    • Apple Watch
    Spark Mail screenshot 1
     
  11. Mailspring icon

    Mailspring

     113 likes
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    Boost your productivity and send better email with Mailspring, a beautiful, fast email client for Mac, Windows, and Linux. Mailspring is free to use and an optional pro version adds read receipts, send later, reminders and more.

    43 Mailspring alternatives

    Cost / License

    • Freemium (Subscription)
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Arch Linux
    • Fedora
    • Ubuntu
    Clean design with integrated search and swipe gestures
     
  12. Apple Mail icon

    Apple Mail

     244 likes
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    Access, view and manage messages from all your email accounts in one place. Categorize your messages into easy to browse categories. Catch up on email easily with Apple Intelligence powered Priority Messages and summarizations.

    105 Apple Mail alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    • Online
    • iPhone
    • iPad
    • Apple Watch
    Apple Mail screenshot 1
    Apple Mail screenshot 2
    Apple Mail screenshot 3
     
  13. Claws Mail icon

    Claws Mail

     106 likes
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    Email and news client on GTK+ foundation featuring quick performance, extensible plugins, secure protocols, advanced filtering, strong folder and contact management, lightweight design, powerful search, customizable interface, multi-language support, and encryption.

    62 Claws Mail alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Windows
    • Linux
    • BSD
    The main window
     
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    1
    Comments about Claws Mail as an Alternative to Opera Mail
    Guest
    Negative
    0

    No central inbox or unread box for all mailbox accounts

    Review by a new / low-activity user.
    Opera Mail Icon
    Claws Mail icon
    • Claws Mail is Free and Open SourceOpera Mail is Free and Proprietary
    • Claws Mail is Lightweight, Customizable and Privacy focusedOpera Mail is not according to our users
  14. Geary icon

    Geary

     105 likes
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    Geary is an email application built around conversations, for the GNOME 3 desktop.

    46 Geary alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    • BSD
    • Flathub
    • GNOME
    • Flatpak
    Main window
     
  15. Sylpheed icon

    Sylpheed

     62 likes
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    Sylpheed is a simple, lightweight but featureful, and easy-to-use e-mail client (mailer, MUA).

    42 Sylpheed alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • PortableApps.com
    Main screen
     
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    1
    Comments about Sylpheed as an Alternative to Opera Mail
    Guest
    Negative
    0

    No central inbox or unread box for all mailboxes in one place.

    Review by a new / low-activity user.
    Opera Mail Icon
    Sylpheed icon
    • Sylpheed is Free and Open SourceOpera Mail is Free and Proprietary
    • Sylpheed is LightweightOpera Mail is not according to our users
12 of 35 Opera Mail alternatives