Software Alternatives, Accelerators & Startups


Mailspring is a mail client for Mac, Windows and Linux.

Mailspring Alternatives

The best Mailspring alternatives based on verified products, community votes, reviews and other factors.
Filter: 12 Open-Source Alternatives Latest update:

  1. 154

    Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!

  2. 127

    Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.

  3. VoIPstudio is an award-winning VoIP system that offers businesses of all sizes a scalable communication solution. It’s inexpensive, easy-to-use, offers a full suite of PBX features, and is fully integrated for CRM.

    Try for free paid Free Trial $4.99 / Monthly (User)

    Try for free
  4. 99

    eM Client is a fully-featured email client for Windows and macOS with a clean and easy-to-use interface. eM Client also offers features for calendars, tasks, contacts, notes, and chat.


  5. 105

    Mailbird is the best email client for Windows 7, 8 and 10

  6. 89

    Airmail is a lightweight and lightning fast mail client for Mac.

  7. 78

    Geary is an email application built for GNOME 3.

  8. 48

    The Bat! is a secure desktop email client for Windows, designed to protect your correspondence against third-parties and to save your time.

  9. 73

    The Power Email App for busy professionals, like you.

  10. 58

    Mutt is a small but very powerful text-based mail client for Unix operating systems.

  11. 72

    Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues

    Open Source

  12. 72

    Apps/Evolution - GNOME Wiki!

  13. 62

    K-9 is an opensource email client making it easy to chew through large volumes of email.

  14. 71

    Claws Mail is an email client (and news reader), based on GTK+, featuring Quick response

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