Postbox Alternatives

Alternatives list

1. 

   

   The Bat

    52 likes

   The Bat! is a secure email client software, built to protect your correspondence against third-parties.

   62 The Bat alternatives

   Cost / License

   • Paid
   • Proprietary

   Application type

   • Email Client

   Origin

   • Moldova

   Since

   • Since 2009

   Platforms

   • Windows

   • Moldova

   

   

   

   +4

   

   More about The Bat  

   

   Good alternative?Is The Bat a good alternative to Postbox?

    
2. 

   

   Wino Mail

    9 likes

   Wino is a lightweight native mail client for Windows 10/11. It is still in active development. Main motivation for this project is to replace Mail & Calendar for Windows with modern Windows design without using web technologies for speed.

   26 Wino Mail alternatives

   Cost / License

   • Freemium
   • Open Source (GPL-3.0)

   Application type

   • Email Client

   Origin

   • Türkiye

   Since

   • Since 2023

   Platforms

   • Windows

   • Türkiye

   

   

   

   +2

   

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4. 

   

   Polymail

    22 likes

   The most powerful platform for email productivity in a beautiful native app — on desktop and mobile.

   Cost / License

   • Paid
   • Proprietary

   Application type

   • Email Client

   Origin

   • United States

   Since

   • Since 2016

   Platforms

   • Windows
   • Mac
   • Online
   • iPhone
   • iPad

   • United States

   

   

   

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5. Ad

   

   

   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. 

   

   aerc

    9 likes

   aerc is an email client that runs in your terminal. It's highly efficient and extensible, perfect for the discerning hacker.

   Cost / License

   • Free
   • Open Source

   Application type

   • Email Client

   Since

   • Since 2019

   Platforms

   • Linux

   

   

   More about aerc  

   

   Good alternative?Is aerc a good alternative to Postbox?

    
7. 

   

   Kiwi for Gmail

    14 likes

   Dedicated Gmail client with clean integration of Google Calendar, Contacts, Google Drive, and Google Docs, Sheets, and Slides.

   Cost / License

   • Paid
   • Proprietary

   Application type

   • Email Client

   Origin

   • United States

   Since

   • Since 2015

   Platforms

   • Windows
   • Mac

   • United States

   

   

   

   +7

   

   More about Kiwi for Gmail  

   

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9. 

   

   Ltt.rs

    4 likes

   No-frills, easy to use, easy to maintain Email client for Android based on the JSON Meta Application Protocol (JMAP).

   58 Ltt.rs alternatives

   Cost / License

   • Free
   • Open Source (Apache-2.0)

   Application type

   • Email Client

   Origin

   • Germany
   • EU

   Since

   • Since 2022

   Platforms

   • Android
   • F-Droid

   • Germany
   • EU

   

   

   

   More about Ltt.rs  

   

   Good alternative?Is Ltt.rs a good alternative to Postbox?

    
10. 

    

    Unibox

     18 likes

    Unibox is a people centric email client that organizes your messages by person. It avoids having email like a to-do list.

    Cost / License

    • Paid
    • Proprietary

    Application type

    • Email Client

    Origin

    • Germany
    • EU

    Since

    • Since 2013

    Platforms

    • Mac

    • Germany
    • EU

    

    

    

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11. 

    

    Mail by elementary (formerly Pantheon)

     11 likes

    Mail is designed to let you manage your email quickly and effortlessly. Its interface is based on conversations, so you can read an entire discussion without having to click from message to message.

    Cost / License

    • Free
    • Open Source (GPL-3.0)

    Application type

    • Email Client

    Origin

    • United States

    Since

    • Since 2016

    Platforms

    • Linux
    • elementary OS

    • United States

    

    More about Mail by elementary (formerly Pantheon)  

    

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12. 

    

    Scribe Mail

     8 likes

    Scribe is a small portable email client with an intergrated contact database and calendar. It supports all the major internet mail protocols and uses international standards where possible. Scribe doesn't required installing or uninstalled and can be used from a removable...

    Cost / License

    • Free
    • Open Source (GPL-3.0)

    Application typeApplication types

    • Email Client
    • Calendar

    Since

    • Since 2010

    Platforms

    • Windows
    • Mac
    • Linux
    • Haiku

    

    

    

    +1

    

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13. 

    

    Sickle

     Like

    Native Mac mail client for Gmail, Outlook, iCloud, Fastmail and any IMAP, with an MCP server so Claude, Cursor or Codex can search, read and tidy every mailbox.

    Cost / License

    • Paid
    • Proprietary

    Application type

    • Email Client

    Origin

    • United Kingdom

    Since

    • New

    Platforms

    • Mac

    • United Kingdom

    

    

    More about Sickle  

    

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14. N

    N

    Nylas Mail Lives

     3 likes

    Nylas Mail Lives is a fork of Nylas Mail that fixes many longstanding issues, improves the client experience, and is committed to publish new releases.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    • Email Client

    Since

    • Since 2017

    Alerts

    • Discontinued

    Platforms

    • Windows
    • Mac
    • Linux
    • Self-Hosted

    

    More about Nylas Mail Lives  

    N

    

    Good alternative?Is Nylas Mail Lives a good alternative to Postbox?

     
15. 

    

    Mail for Gmail

     Like

    Enjoy all the advantages of accessing your Gmail account, separate from your browser:

    Cost / License

    • Free
    • Proprietary

    Application type

    • Email Client

    Origin

    • Hungary
    • EU

    Since

    • Since 2021

    Platforms

    • Mac

    • Hungary
    • EU

    

    

    

    +1

    

    More about Mail for Gmail  

    

    Good alternative?Is Mail for Gmail a good alternative to Postbox?