Inbox2 AlternativesEmail Clients and other similar apps like Inbox2

Inbox2 is described as 'Premium connected lifestyle application that brings communication - and the people you communicate with - into a single, synchronized application that is accessible everywhere. The innovative email platform allows you to plug-in your existing email accounts (Gmail' and is a Email Client in the social & communications category. There are more than 25 alternatives to Inbox2 for a variety of platforms, including Windows, Linux, Mac, BSD and Android apps. The best Inbox2 alternative is Thunderbird, which is both free and Open Source. Other great apps like Inbox2 are K-9 Mail, Evolution, Microsoft Outlook and Spark Mail.

Inbox2 iconInbox2
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Inbox2 is a premium connected lifestyle application that brings communication - and the people you communicate with - into...

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Inbox2 alternatives page was last updated Sep 9, 2022
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  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

     2472 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.

    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 Inbox2

     

    • Thunderbird is the most popular Windows, Android, Mac & Linux alternative to Inbox2.

    • Thunderbird is the most popular Open Source & free alternative to Inbox2.

    • Thunderbird is Free and Open SourceInbox2 is also Free and Open Source
    • Thunderbird is CustomizableInbox2 is not according to our users
  4. K-9 Mail icon

    K-9 Mail

     355 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.

    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 Inbox2

     

    • K-9 Mail is the most popular Android Tablet alternative to Inbox2.

    • K-9 Mail is Free and Open SourceInbox2 is also Free and Open Source
    • K-9 Mail is Privacy focused and LightweightInbox2 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. Evolution icon

    Evolution

     203 likes
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    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 Inbox2

     
  7. 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

    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 Inbox2

     

    • Microsoft Outlook is the most popular Web-based, iPhone & iPad alternative to Inbox2.

    • Microsoft Outlook is the most popular commercial alternative to Inbox2.

    • Microsoft Outlook is Paid and ProprietaryInbox2 is Free and Open Source
  8. Spark Mail icon

    Spark Mail

     133 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.

    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 Inbox2

     
  10. eM Client icon

    eM Client

     231 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

    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 Inbox2

     
  11. Geary icon

    Geary

     105 likes
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    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 Inbox2

     
  12. Claws Mail icon

    Claws Mail

     102 likes
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    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 Robustness and stability.

    License model

    • Free • Open Source

    Application types

    Platforms

    • Windows
    • Linux
    • BSD
    The main window

    Properties

    1.  Lightweight
    2.  Privacy focused
    3.  Customizable

    Features

    1.  Extensible by Plugins/Extensions
    2.  Multiple Account support
    3.  IMAP Support
    4.  Spam Filter
    5.  Works Offline
    6.  No registration required
    7.  Ad-free
    8.  Dark Mode
    9.  Calendar Integration
    10.  Portable
    11.  GPG Encryption
    12.  Built-in RSS reader

    Claws Mail VS Inbox2

     
  13. Mailbird icon

    Mailbird

     306 likes
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    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 Inbox2

     
  14. KMail icon

    KMail

     49 likes
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    KMail is the email component of Kontact, the integrated personal information manager of KDE. Kontact is a personal information manager and groupware software suite for KDE. It supports calendars, contacts, notes, to-do lists, news, and email.

    52 KMail alternatives

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Linux
    • BSD
    KMail screenshot 1

    Properties

    1.  Privacy focused

    Features

    1.  Email Organizer
    2.  Spam Filter
    3.  Multiple Account support
    4.  Ad-free
    5.  Works Offline
    6.  Tray Icon

    KMail VS Inbox2

     
  15. Kontact icon

    Kontact

     37 likes
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    Personal Information Manager (Mail, Contact, Calendar and more).

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Linux
    • Flathub
    Kontact screenshot 1

    Kontact Features

    1.  Google integration
    2.  Convert Email to Task
    3.  KDE
    4.  Feed Reader
    5.  Personal Information Manager (PIM)
    6.  Contacts

    Kontact VS Inbox2

     
  16. Zimbra Desktop icon

    Zimbra Desktop

     32 likes
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    The free Zimbra Desktop client allows you to meld the online and offline worlds – storing and synching your email, calendar, contacts, files and documents in the cloud, yet having them locally accessible when on the road.

    55 Zimbra Desktop alternatives

    License model

    • Free Personal • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    Zimbra Desktop screenshot 1

    Zimbra Desktop Features

    1.  Email checker

    Zimbra Desktop VS Inbox2

     
13 of 27 Inbox2 alternatives