Open Source Airmail AlternativesEmail Clients and other similar apps like Airmail

Alternatives list

1. 

   

   Thunderbird

    2526 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.

   86 Thunderbird alternatives

   Cost / License

   • Free
   • Open Source

   Application types

   • Email Client
   • Calendar App

   Origin

   • United States

   Platforms

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

   

   

   

   +8

   

   More about Thunderbird  

   

   Is Thunderbird a good alternative to Airmail?

    

   |

   8users say it's a good alternative

   Collapse

   • Some users think Thunderbird is a great Airmail alternative, some don't.

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

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

   • Thunderbird is Free and Open SourceAirmail is Paid and Proprietary
   • Thunderbird is Privacy focusedAirmail is not according to our users
2. 

   

   K-9 Mail

    366 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.

   42 K-9 Mail alternatives

   Cost / License

   • Free
   • Open Source

   Application type

   • Email Client

   Origin

   • International

   Platforms

   • Android
   • Android Tablet
   • F-Droid

   

   

   

   More about K-9 Mail  

   

   Is K-9 Mail a good alternative to Airmail?

    

   Collapse

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

   • K-9 Mail is Free and Open SourceAirmail is Paid and Proprietary
   • K-9 Mail is Privacy focusedAirmail is not according to our users
4. 

   

   Evolution

    205 likes

   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

   • Email Client
   • Calendar App

   Origin

   • United States

   Platforms

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

   

   

   

   +4

   

   More about Evolution  

   

   Is Evolution a good alternative to Airmail?

    
5. 

   

   FairEmail

    87 likes

   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

   • Email Client

   Origin

   • Netherlands
   • EU

   Platforms

   • Android
   • Android Tablet
   • F-Droid

   

   

   

   More about FairEmail  

   

   Is FairEmail a good alternative to Airmail?

    
6. 

   

   Mailspring

    113 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.

   43 Mailspring alternatives

   Cost / License

   • Freemium (Subscription)
   • Open Source

   Application type

   • Email Client

   Origin

   • United States

   Platforms

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

   

   

   

   +1

   

   More about Mailspring  

   

   Is Mailspring a good alternative to Airmail?

    
7. 

   

   Geary

    105 likes

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

   46 Geary alternatives

   Cost / License

   • Free
   • Open Source

   Application type

   • Email Client

   Origin

   • United States

   Platforms

   • Linux
   • BSD
   • Flathub
   • GNOME
   • Flatpak

   

   More about Geary  

   

   Is Geary a good alternative to Airmail?

    
9. 

   

   Kontact

    38 likes

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

   108 Kontact alternatives

   Cost / License

   • Free
   • Open Source

   Application types

   • Calendar App
   • Email Client

   Origin

   • Germany
   • EU

   Platforms

   • Linux
   • Flathub

   

   More about Kontact  

   

   Is Kontact a good alternative to Airmail?

    
10. 

    

    Sylpheed

     62 likes

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

    Cost / License

    • Free
    • Open Source

    Application type

    • Email Client

    Origin

    • Japan

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • PortableApps.com

    

    

    

    +3

    

    More about Sylpheed  

    

    Is Sylpheed a good alternative to Airmail?

     
11. 

    

    KMail

     49 likes

    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.

    Cost / License

    • Free
    • Open Source

    Application type

    • Email Client

    Origin

    • Germany
    • EU

    Platforms

    • Linux
    • BSD

    

    More about KMail  

    

    Is KMail a good alternative to Airmail?

     
12. 

    

    Mutt

     68 likes

    Mutt is a small but very powerful text-based mail client for Unix operating systems. Some of its features are: color support, message threading, MIME support (including RFC2047 support for encoded headers), PGP/MIME (RFC2015), various features to support mailing lists, including...

    51 Mutt alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    • Email Client

    Origin

    • United States

    Platforms

    • Mac
    • Windows
    • Linux
    • Xfce

    

    More about Mutt  

    

    Is Mutt a good alternative to Airmail?

     
13. 

    

    Meru (formerly Gmail Desktop)

     1 like

    Desktop app for Gmail, available on macOS, Linux & Windows.

    17 Meru (formerly Gmail Desktop) alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    • Email Client

    Platforms

    • Mac
    • Windows
    • Linux

    

    More about Meru (formerly Gmail Desktop)  

    

    Is this a good alternative to Airmail?

     
14. 

    

    Nextcloud Mail

     11 likes

    💌 Mail app for Nextcloud.

    Cost / License

    • Free
    • Open Source

    Application type

    • Email Client

    Origin

    • Germany
    • EU

    Platforms

    • Online
    • Self-Hosted
    • Nextcloud

    

    Is Nextcloud Mail a good alternative to Airmail?

     

    Collapse

    • Nextcloud Mail is the most popular Self-Hosted alternative to Airmail.

    • Nextcloud Mail is Free and Open SourceAirmail is Paid and Proprietary
    • Nextcloud Mail is Privacy focusedAirmail is not according to our users