Google Calendar AlternativesOnly apps categorised as Email Clients

The best Email Client alternative to Google Calendar is Kolab, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Google Calendar and five of them are Email Clients so hopefully you can find a suitable replacement. Other interesting Email Client alternatives to Google Calendar are Kontact, Amie, OfficeMail and MailCraft.

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Most Google Calendar alternatives are Email Clients, but you can also narrow the list to Calendar Apps or Appointment Schedulers. Other popular filters are Open Source, Android, Self-Hosted and iPhone. You can also filter for EU-based alternatives if you prefer software from the European Union.
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Alternatives
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Alternatives list

  1. Kolab icon

    Kolab

     43 likes

    Kolab provides a FOSS communication & collaboration solution that can be completely self-hosted. Take back control of your data and access it via the webinterface, or existing mobile & desktop clients.

    Cost / License

    • Freemium
    • Open Source

    Application type

    Since

    • Since 2011

    Platforms

    • Linux
    • Online
    • Self-Hosted
    Good alternative?
     
  2. Kontact icon

    Kontact

     37 likes

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

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2010

    Platforms

    • Linux
    • Flathub
    • DE flagGermany
    • European Union flagEU
    Kontact screenshot 1
    Good alternative?
     
  4. Amie icon

    Amie

     12 likes

    Amie is a productivity application that facilitates task, event, and contact management, integrating a scheduling feature for task and event time allocation, and effectively transforming the calendar into a todo list, with color-coding for improved organization and visual...

    Cost / License

    • Paid
    • Proprietary

    Application type

    Since

    • Since 2024

    Platforms

    • Mac
    • Online
    • iPhone
    • DE flagGermany
    • European Union flagEU
    Amie screenshot 1
    Good alternative?
     
  5. OfficeMail icon

    OfficeMail

     Like

    OfficeMail Pro, an email client app using ActiveSync is not only a secure and safe email client but also an app reinforcing a various convenience aspect. It is a product that has been significantly improved and implemented plenty of features like the shared mailbox and calendars...

    Cost / License

    • Paid
    • Proprietary

    Application type

    Since

    • Since 2022

    Platforms

    • Chrome OS
    • Android
    • iPhone
    • iPad
    • Android Tablet
    • US flagUnited States
    OfficeMail screenshot 1
    Good alternative?
     
  6. MailCraft icon

    MailCraft

     Like

    This is an open-source, clean-room mail, calendar and contacts program in pure Rust, for Microsoft 365, Outlook.com and IMAP. Early alpha.

    Cost / License

    Application type

    Since

    • New

    Platforms

    • Windows
    • Mac
    • Linux
    • BSD
    • GB flagUnited Kingdom
    MailCraft screenshot 1
    Good alternative?
     
5 of 5 Google Calendar alternatives