Kube AlternativesEmail Clients and other similar apps like Kube

Kube is described as 'Modern communication and collaboration client built with QtQuick on top of a high performance, low resource usage core. It provides online and offline access to all your mail, contacts, calendars, notes, todo's and more' and is a Email Client in the office & productivity category. There are more than 25 alternatives to Kube for a variety of platforms, including Mac, Windows, Linux, Android and iPhone apps. The best Kube alternative is Thunderbird, which is both free and Open Source. Other great apps like Kube are K-9 Mail, Betterbird, Evolution and Microsoft Outlook.

Kube iconKube
  8
  • ...

Kube is a modern communication and collaboration client built with QtQuick on top of a high performance, low resource usage...

More about Kube
More about Kube
Kube alternatives page was last updated Oct 9, 2023
Copy a direct link to this comment to your clipboard
  1. Mailbird icon

    Mailbird

    Sponsored

    Streamline your email experience by managing multiple accounts, integrating apps like Slack and Google Calendar, and using AI-driven features like drafting and spam prevention. Customize your workspace with themes, notifications, and tools for improved productivity and a modern interface.

    64 Mailbird alternatives

    License model

    • Freemium • Proprietary

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    Mailbird screenshot 1
  2. Thunderbird icon

    Thunderbird

     2473 likes
    Copy a direct link to this comment to your clipboard

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

    85 Thunderbird alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • BSD
    • AppImageHub
    • Snapcraft
    • Flathub
    • PortableApps.com
    • F-Droid
    • Haiku
    • Homebrew
    • Chocolatey
    Thunderbird screenshot 1

    Properties

    1.  Customizable
    2.  Intuitive Interface
    3.  Privacy focused

    Features

    1.  Extensible by Plugins/Extensions
    2.  Multiple Account support
    3.  IMAP Support
    4.  Calendar Integration
    5.  SMTP Support
    6.  Email Organizer
    7.  Add-ons
    8.  Built-in RSS reader
    9.  POP3 Support
    10.  Graphical User Interface
    11.  Dark Mode
    12. Google Calendar icon  Google Calendar integration

    Thunderbird VS Kube

     

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

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

    • Thunderbird is Free and Open SourceKube is also Free and Open Source
    • Thunderbird is CustomizableKube is not according to our users
  4. K-9 Mail icon

    K-9 Mail

     356 likes
    Copy a direct link to this comment to your clipboard

    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.

    41 K-9 Mail alternatives

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • International

    Platforms

    • Android
    • Android Tablet
    • F-Droid
    K-9 Mail screenshot 1

    Properties

    1.  Configurable
    2.  Privacy focused
    3.  Lightweight

    Features

    1.  Ad-free
    2.  IMAP Support
    3.  Multiple Account support
    4.  POP3 Support
    5.  One view multiple accounts
    6.  PGP Encryption
    7.  Unified inbox
    8.  End-to-End Encryption
    9.  Works Offline
    10.  Contacts
    11.  No Tracking
    12.  Dark Mode

    K-9 Mail VS Kube

     

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

    • K-9 Mail is Free and Open SourceKube is also Free and Open Source
    • K-9 Mail is Privacy focused and LightweightKube is not according to our users
  5. Ad
    Screenshot
    Mailbird icon
    Mailbird

    Streamline your email experience by managing multiple accounts, integrating apps like Slack and Google Calendar, and using AI-driven features like drafting and spam prevention. Customize your workspace with themes, notifications,...

    https://www.getmailbird.com
    Learn More
  6. Betterbird icon

    Betterbird

     54 likes
    Copy a direct link to this comment to your clipboard

    Betterbird, a soft fork of Mozilla Thunderbird, improves user experience with advanced features, bug fixes, security patches, and multi-row descriptions similar to Outlook. Compatible with multiple platforms and can be used alongside Thunderbird, sharing the same profile.

    27 Betterbird alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
    • Chocolatey
    Betterbird screenshot 1

    Properties

    1.  Privacy focused
    2.  Support for Themes
    3.  Lightweight

    Features

    1.  Multiple Account support
    2.  Extensible by Plugins/Extensions
    3.  Works Offline
    4.  Unified inbox
    5.  Spam Filter
    6.  Calendar Integration
    7.  No Tracking
    8.  Ad-free
    9.  SMTP Support
    10.  POP3 Support
    11.  Portable
    12.  IMAP Support

    Betterbird VS Kube

     
  7. Evolution icon

    Evolution

     203 likes
    Copy a direct link to this comment to your clipboard

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

    71 Evolution alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Linux
    • BSD
    • Flathub
    • S/MIME
    • GNOME
    • OpenPGP
    Mail

    Top Evolution Features

    1.  Calendar Integration
    2.  Contacts
    3.  CalDAV Support
    4.  Calendar View
    5.  Multiple Account support
    6.  Ad-free
    7.  Spam Filter
    8. Google Calendar icon  Sync with Google Calendar
    9.  Dark Mode
    10.  Works Offline
    11.  Extensible by Plugins/Extensions
    12.  GPG Encryption

    Evolution VS Kube

     
  8. Microsoft Outlook icon

    Microsoft Outlook

     397 likes
    Copy a direct link to this comment to your clipboard

    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

    License model

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

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

    Top Microsoft Outlook Features

    1.  Exchange
    2.  Native application
    3.  Email Organizer
    4.  Calendar Integration
    5.  Calendar View
    6.  Cloud Sync
    7.  Support for @mentions
    8.  Unified inbox
    9.  Multiple Account support
    10.  Works Offline
    11.  Support for Aliases
    12.  Dark Mode

    Microsoft Outlook VS Kube

     

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

    • Microsoft Outlook is the most popular commercial alternative to Kube.

    • Microsoft Outlook is Paid and ProprietaryKube is Free and Open Source
  10. FairEmail icon

    FairEmail

     80 likes
    Copy a direct link to this comment to your clipboard

    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.

    License model

    • Freemium • Open Source

    Application type

    Country of Origin

    • NL flagNetherlands
    • European Union flagEU

    Platforms

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

    Properties

    1.  Privacy focused
    2.  Customizable
    3.  Lightweight

    Features

    1.  Multiple Account support
    2.  Email Notifications
    3.  PGP Encryption
    4.  Extensive settings menu
    5.  IMAP Support
    6.  Notifications
    7.  No Tracking
    8.  Works Offline
    9.  Ad-free
    10.  Unified inbox
    11.  Dark Mode
    12.  S/MIME Support

    FairEmail VS Kube

     
  11. Spark Mail icon

    Spark Mail

     133 likes
    Copy a direct link to this comment to your clipboard

    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.

    61 Spark Mail alternatives

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • UA flagUkraine

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • iPad
    • Apple Watch
    Spark Mail screenshot 1

    Top Spark Mail Features

    1.  Multiple Account support
    2.  Email Scheduling
    3.  Snooze Mail
    4.  Cloud Sync
    5.  Calendar Integration
    6.  Dark Mode
    7.  Email Organizer
    8.  Unified inbox
    9.  Works Offline
    10.  Mail Filtering
    11.  Ad-free
    12. Google Calendar icon  Sync with Google Calendar

    Spark Mail VS Kube

     
  12. eM Client icon

    eM Client

     231 likes
    Copy a direct link to this comment to your clipboard

    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

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Android
    eM Client: Inbox view

    Top eM Client Features

    1.  IMAP Support
    2.  Calendar Integration
    3.  Multiple Account support
    4.  PGP Encryption
    5.  Dark Mode
    6.  Exchange
    7.  Unified inbox
    8.  Cloud Sync
    9.  Email Organizer
    10. Google Calendar icon  Sync with Google Calendar
    11.  Automatic Backup
    12.  CardDAV Support

    eM Client VS Kube

     
  13. Mailspring icon

    Mailspring

     107 likes
    Copy a direct link to this comment to your clipboard

    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.

    42 Mailspring alternatives

    License model

    • Freemium • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    • Arch Linux
    • Fedora
    • Ubuntu
    Clean design with integrated search and swipe gestures

    Properties

    1.  Customizable
    2.  User friendly
    3.  Support for Themes

    Features

    1.  Unified inbox
    2.  Multiple Account support
    3.  Dark Mode
    4.  Email tracking
    5.  Snooze Mail
    6.  Ad-free
    7.  Built-in translation
    8.  Theme Customization
    9.  IMAP Support
    10.  Extensible by Plugins/Extensions
    11.  Email Organizer
    12.  Keyboard Shortcuts

    Mailspring VS Kube

     
  14. Geary icon

    Geary

     105 likes
    Copy a direct link to this comment to your clipboard

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

    47 Geary alternatives

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Linux
    • BSD
    • Flathub
    • GNOME
    • Flatpak
    Main window

    Properties

    1.  Lightweight
    2.  Privacy focused

    Features

    1.  Multiple Account support
    2.  IMAP Support
    3.  Conversational email approach
    4.  No Tracking
    5.  Dark Mode
    6.  Ad-free
    7.  Spam Filter
    8.  Email Organizer
    9. Gmail icon  Gmail integration
    10.  Labels for content
    11.  SMTP Support
    12.  Multiple languages

    Geary VS Kube

     
  15. Apple Mail icon

    Apple Mail

     237 likes
    Copy a direct link to this comment to your clipboard

    There’s big news attached. The best way to manage email on a Mac, according to Apple.

    72 Apple Mail alternatives

    License model

    • Free • Proprietary

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • iPhone
    • iPad
    • Online
    • Apple Watch
    Apple Mail screenshot 1

    Properties

    1.  Customizable

    Features

    1.  Bundled with macOS
    2.  Email Organizer
    3.  Multiple Account support
    4.  Dark Mode
    5.  Spam Filter
    6.  CardDAV Support
    7.  Exchange
    8.  CalDAV Support
    9.  Rich text editing
    10.  Encrypted Email

    Apple Mail VS Kube

     
  16. Mailbird icon

    Mailbird

     307 likes
    Copy a direct link to this comment to your clipboard

    Streamline your email experience by managing multiple accounts, integrating apps like Slack and Google Calendar, and using AI-driven features like drafting and spam prevention. Customize your workspace with themes, notifications, and tools for improved productivity and a modern interface.

    64 Mailbird alternatives

    License model

    • Freemium • Proprietary

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    Mailbird screenshot 1

    Properties

    1.  Clean design

    Features

    1.  Sync Contacts
    2.  Dark Mode
    3.  Undo send
    4.  Email tracking
    5.  Unified inbox
    6.  GSuite Integration
    7. Slack icon  Slack integration
    8.  Multiple Account support
    9. Asana icon  Asana integration
    10.  Email template editor
    11.  Email Organizer
    12.  Spam Filter

    Mailbird VS Kube

     
13 of 32 Kube alternatives