KOrganizer AlternativesCalendar Apps & Todo List Managers like KOrganizer

KOrganizer is described as 'It provides management of events and tasks, alarm notification, web export, network transparent handling of data, group scheduling, import and export of calendar files and more. It is able to work together with a wide variety of calendaring services, including NextCloud, Kolab' and is a Calendar app in the office & productivity category. There are more than 25 alternatives to KOrganizer for a variety of platforms, including Linux, Windows, Web-based, Android and iPhone apps. The best KOrganizer alternative is Google Calendar, which is free. Other great apps like KOrganizer are Fossify Calendar, Evolution, Org mode and Simple Calendar.

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Alternatives list

  1. Google Calendar icon

    Google Calendar

     945 likes
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    Manage events seamlessly with syncing across devices, automatic event creation from Gmail, shareable schedules, customizable reminders, and a user-friendly interface. Features include dark mode, integration with Google services, and support for recurring events and global time zones.

    155 Google Calendar alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • Sunbird
    • Google Chrome
    Google Calendar screenshot 1
     

    • Google Calendar is the most popular Web-based, Android, iPhone & iPad alternative to KOrganizer.

    • Google Calendar is the most popular free alternative to KOrganizer.

    • Google Calendar is Free and ProprietaryKOrganizer is Free and Open Source
  2. Fossify Calendar icon

    Fossify Calendar

     47 likes
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    Your privacy-aware, open-source calendar with intuitive design and multi-platform syncing.

    50 Fossify Calendar alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Android
    • Android Tablet
    • F-Droid
    Fossify Calendar screenshot 1
    Fossify Calendar screenshot 2
    Fossify Calendar screenshot 3
     

    • Fossify Calendar is the most popular Open Source alternative to KOrganizer.

    • Fossify Calendar is Free and Open SourceKOrganizer is also Free and Open Source
    • Fossify Calendar is Privacy focused, Customizable and LightweightKOrganizer is not according to our users
  4. Evolution icon

    Evolution

     205 likes
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    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

    Platforms

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

    • Evolution is the most popular Linux alternative to KOrganizer.

    • Evolution is Free and Open SourceKOrganizer is also Free and Open Source
  5. Ad
    Screenshot
    Google Calendar icon
    Google Calendar

    Manage events seamlessly with syncing across devices, automatic event creation from Gmail, shareable schedules, customizable reminders, and a user-friendly interface. Features include dark mode, integration with Google services, ...

    https://www.google.com
    Learn More
  6. Org mode icon

    Org mode

     140 likes
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    Org mode is for keeping notes, maintaining TODO lists, planning projects, and authoring documents with a fast and effective plain-text system.

    277 Org mode alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • GNU Emacs
    • Termux
    • Terminal
    Org mode screenshot 1
     

    • Org mode is the most popular Windows & Mac alternative to KOrganizer.

    • Org mode is Free and Open SourceKOrganizer is also Free and Open Source
    • Org mode is Customizable, Lightweight and Privacy focusedKOrganizer is not according to our users
  7. Simple Calendar icon

    Simple Calendar

     51 likes
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    A simple calendar with optional CalDAV synchronization. You can easily create recurring events and setup reminders, it can also display week numbers.

    Cost / License

    • Freemium (Pay once)
    • Proprietary

    Application type

    Alerts

    • Warning

    Platforms

    • Android
    • Android Tablet
    Simple Calendar screenshot 1
     
  8. Apple Calendar icon

    Apple Calendar

     144 likes
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    Keep track of your busy schedule and share it with others using Calendar. Create separate calendars — one for home, another for school, a third for work, and so on. See all your calendars in a single window or choose to see only the calendars you want.

    99 Apple Calendar alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    • iPhone
    • iPad
    • iCloud
    Apple Calendar screenshot 1
     
  10. Right Calendar icon

    Right Calendar

     9 likes
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    Right Calendar app is a versatile scheduling tool that offers unparalleled flexibility to its users. One of its standout features is that it is built on an open-source platform. This not only ensures transparency but also allows for constant updates and bug fixes from a...

    Cost / License

    • Free Personal
    • Open Source

    Application type

    Platforms

    • Android
    Right Calendar screenshot 1
    Right Calendar screenshot 2
    Right Calendar screenshot 3
     
  11. Rainlendar icon

    Rainlendar

     118 likes
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    Rainlendar is a feature rich calendar application that is easy to use and doesn't take much space on your desktop. The application is platform independent so you can run it on all major operating systems: Windows, Linux and Mac OS X.

    76 Rainlendar alternatives

    Cost / License

    • Freemium (Pay once)
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    Events and Tasks
     
  12. OurCal icon

    OurCal

     5 likes
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    This app is tailored for families, couples, friends, and groups, providing end-to-end encryption for secure data, seamless calendar creation, syncing, private chats, and widgets for easy access, ensuring you never miss an event.

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application type

    Platforms

    • Android
    • iPhone
    OurCal screenshot 1
    OurCal screenshot 2
    OurCal screenshot 3
     
  13. Morgen icon

    Morgen

     29 likes
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    Brings together calendars, to-dos, productivity apps, and schedulers in one platform. Integrates with major services like Google Calendar, iCloud, Todoist, and video conferencing tools such as Zoom. Offers native scheduling similar to Calendly, enhancing time management efficiency.

    111 Morgen alternatives

    Cost / License

    • Subscription
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    Morgen screenshot 1
     

    • Morgen is the most popular commercial alternative to KOrganizer.

    • Morgen is Paid and ProprietaryKOrganizer is Free and Open Source
    • Morgen is Privacy focusedKOrganizer is not according to our users
  14. Merkuro Calendar icon

    Merkuro Calendar

     11 likes
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    Merkuro is a calendar and contact application that allows you to manage your tasks, events and contacts. Merkuro supports both local calendars as well as a multitude of online calendars: Nextcloud, Google® Calendar, Outlook®, Caldav, and many more.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Linux
    Merkuro Calendar screenshot 1
     
12 of 43 KOrganizer alternatives