Mailbird AlternativesTop Email Clients and other similar apps like Mailbird

Alternatives list

1. 

   

   Thunderbird

    2642 likes

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

   105 Thunderbird alternatives

   Cost / License

   • Free
   • Open Source (MPL-2.0)

   Application typeApplication types

   • Email Client
   • Calendar

   Origin

   • United States

   Platforms

   • Windows
   • Linux
   • Android
   • BSD
   • AppImageHub
   • Snapcraft
   • Obtainium
   • Flathub
   • PortableApps.com
   • F-Droid
   • OpenAPK
   • Homebrew
   • Chocolatey
   • Mac

   • United States

   

   

   

   +7

   

   More about Thunderbird  

   

   Good alternative?Is Thunderbird a good alternative to Mailbird?

    

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   2comments

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   Thunderbird vs Mailbird Comments

   Negative comment by Guest · Feb 27, 2018

   Thunderbird is way too bloated and slow

   Positive comment by Guest · Nov 15, 2016

   It's open source & based on Firefox engine which is known for it's brand !!

   2 of 2 comments

   

   

   • Thunderbird is Free and Open SourceMailbird is Freemium and Proprietary
   • Thunderbird is Privacy focusedMailbird is not according to our users
2. 

   

   Betterbird

    93 likes

   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.

   42 Betterbird alternatives

   Cost / License

   • Free
   • Open Source

   Application type

   • Email Client

   Origin

   • Germany
   • EU

   Platforms

   • Mac
   • Windows
   • Linux
   • Flathub
   • Chocolatey

   • Germany
   • EU

   

   

   

   +9

   

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   Good alternative?Is Betterbird a good alternative to Mailbird?

    
4. 

   

   Microsoft Outlook

    405 likes

   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.

   151 Microsoft Outlook alternatives

   Cost / License

   • Paid
   • Proprietary

   Application typeApplication types

   • Email Client
   • Calendar

   Origin

   • United States

   Platforms

   • Mac
   • Windows
   • Online
   • Android
   • iPhone
   • Android Tablet
   • iPad
   • Apple Watch
   • Android Wear

   • United States

   

   

   

   +7

   

   More about Microsoft Outlook  

   

   Good alternative?Is Microsoft Outlook a good alternative to Mailbird?

    

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   3comments

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   Microsoft Outlook vs Mailbird Comments

   Negative comment by Guest · Jun 2, 2019

   This is not free or even freemium, it's a paid product.

   Negative comment by Guest · Nov 13, 2020

   Outlook, like most email applications, keeps each client separate from all others instead of integrating them into a single presentation like Mailbird does.

   Negative comment by Guest · Oct 28, 2021

   The calendar syncing ability of Outlook is awful with Google

   3 of 3 comments

   

   

   • Microsoft Outlook is Paid and ProprietaryMailbird is Freemium and Proprietary
5. Ad

   

   

   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...

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   Learn More
6. 

   

   Evolution

    212 likes

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

   79 Evolution alternatives

   Cost / License

   • Free
   • Open Source (LGPL-2.1)

   Application typeApplication types

   • Email Client
   • Calendar

   Origin

   • United States

   Platforms

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

   • United States

   

   

   

   +4

   

   More about Evolution  

   

   Good alternative?Is Evolution a good alternative to Mailbird?

    
7. 

   

   Spark Mail

    144 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.

   82 Spark Mail alternatives

   Cost / License

   • Freemium
   • Proprietary

   Application typeApplication types

   • Email Client
   • Calendar

   Origin

   • Ukraine

   Platforms

   • Mac
   • Windows
   • Android
   • iPhone
   • iPad
   • Apple Watch

   • Ukraine

   

   

   

   +3

   

   More about Spark Mail  

   

   Good alternative?Is Spark Mail a good alternative to Mailbird?

    

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   1comment

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   Spark Mail vs Mailbird Comments

   Negative comment by Erik Alt · Nov 19, 2020

   Does not offer POP, IMAP. This is not a mailclient.

   1 of 1 comments

   

   

   • Spark Mail is Freemium and ProprietaryMailbird is also Freemium and Proprietary
9. 

   

   eM Client

    236 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.

   74 eM Client alternatives

   Cost / License

   • Freemium
   • Proprietary

   Application typeApplication types

   • Email Client
   • Calendar

   Origin

   • Czechia
   • EU

   Platforms

   • Mac
   • Windows
   • Android

   • Czechia
   • EU

   

   

   

   +5

   

   More about eM Client  

   

   Good alternative?Is eM Client a good alternative to Mailbird?

    
10. 

    

    Mailspring

     118 likes

    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.

    Cost / License

    • Freemium
    • Open Source (GPL-3.0)

    Application type

    • Email Client

    Origin

    • United States

    Platforms

    • Mac
    • Windows
    • Linux
    • Arch Linux
    • Fedora
    • Ubuntu

    • United States

    

    

    

    +1

    

    More about Mailspring  

    

    Good alternative?Is Mailspring a good alternative to Mailbird?

     

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    3comments

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    Mailspring vs Mailbird Comments

    Positive comment by Clint E · May 15, 2025

    It is the easiest system that works with Office 365 and has a great multi-account handling system.

    Negative comment by Guest · Jan 26, 2020

    Uses electron bloated framework that consumes many ram

    Negative comment by ithink · Nov 22, 2022

    Not possible to disable Gmail-style threading / conversation view

    3 of 3 comments

    

    

    • Mailspring is Freemium and Open SourceMailbird is Freemium and Proprietary
11. 

    

    Apple Mail

     249 likes

    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.

    131 Apple Mail alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    • Email Client

    Origin

    • United States

    Platforms

    • Mac
    • Online
    • iPhone
    • iPad
    • Apple Watch

    • United States

    

    

    

    More about Apple Mail  

    

    Good alternative?Is Apple Mail a good alternative to Mailbird?

     
12. 

    

    Pelton

     16 likes

    Free, open-source client for Windows, macOS, and Linux, offering local email storage and search online or offline, privacy-focused with no telemetry or third-party servers, IMAP and SMTP support, intuitive interface, and multiple account support.

    Cost / License

    • Free
    • Open Source (GPL-3.0)

    Application type

    • Email Client

    Origin

    • Germany
    • EU

    Platforms

    • Mac
    • Windows
    • Linux

    • Germany
    • EU

    

    

    

    More about Pelton  

    

    Good alternative?Is Pelton a good alternative to Mailbird?

     
13. 

    

    Geary

     110 likes

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

    55 Geary alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    • Email Client

    Origin

    • United States

    Platforms

    • Linux
    • BSD
    • Flathub
    • GNOME
    • Flatpak
    • Linux Mobile

    • United States

    

    More about Geary  

    

    Good alternative?Is Geary a good alternative to Mailbird?

     

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    1comment

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    Geary vs Mailbird Comments

    Negative comment by Guest · Dec 24, 2019

    Unusable for my needs. Can't discard groupment of letters into conversations and delete or move to folder only single letter, not conversation entirely. And it shows only last letters in each conversation, other letters become invisible.

    1 of 1 comments

    

    

    • Geary is Free and Open SourceMailbird is Freemium and Proprietary
    • Geary is Lightweight and Privacy focusedMailbird is not according to our users
14. 

    

    Penguin Mail

     12 likes

    Mail and calendar for Linux. Gmail and IMAP accounts, Google Calendar, contacts, OpenPGP and S/MIME. GTK4 and libadwaita, written in Rust.

    51 Penguin Mail alternatives

    Cost / License

    • Free
    • Open Source (GPL-3.0)

    Application typeApplication types

    • Email Client
    • Calendar

    Platforms

    • Linux
    • Snapcraft
    • Mac

    

    

    

    +2

    

    More about Penguin Mail  

    

    Good alternative?Is Penguin Mail a good alternative to Mailbird?

     
15. 

    

    Aerion

     13 likes

    Modern open-source email client supporting unified inbox, IMAP/SMTP, Gmail and Outlook with OAuth2, conversation threading, rich text TipTap composing, CardDAV contact sync, tracking removal, dark mode, color themes, vim-style shortcuts, and a detachable window.

    56 Aerion alternatives

    Cost / License

    • Free
    • Open Source (Apache-2.0)

    Application type

    • Email Client

    Origin

    • Hong Kong SAR China

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
    • Flatpak

    • Hong Kong SAR China

    

    More about Aerion  

    

    Good alternative?Is Aerion a good alternative to Mailbird?