Kontact - KOrganizer AlternativesCalendar Apps & Todo List Managers like Kontact - KOrganizer

Kontact - 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 Kontact - KOrganizer for a variety of platforms, including Linux, Windows, Android, Web-based and Mac apps. The best Kontact - KOrganizer alternative is Google Calendar, which is free. Other great apps like Kontact - KOrganizer are Fossify Calendar, Evolution, Org mode and Simple Calendar.

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Kontact - KOrganizer alternatives are mainly Calendar Apps but may also be Todo List Managers or Email Clients.  Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of Kontact - KOrganizer.
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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...

More about Kontact - KOrganizer
Kontact - KOrganizer alternatives page was last updated Jan 14, 2025
  1. Google Calendar icon
     934 likes

    With Google Calendar, its easy to keep track of all your lifes important events in one place. You can add events and send invitations effortlessly, share your schedule with friends and family, and search for events you might enjoy.

    146 Google Calendar alternatives
    Google Calendar screenshot 1

    License model

    • FreeProprietary

    Application type

    Platforms

    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • Sunbird
    • Google Chrome

    Google Calendar Features

    1.  Reminder for deadlines
    2.  Material design
    3.  Data export/import
    4.  Shared Calendar
    5.  Cloud Sync
    6. IFTTT icon  IFTTT Integration
    7.  Calendar Integration
    8.  Calendar View
    9.  Dark Mode
    10.  Passkey Support
    Google Calendar iconKontact - KOrganizer Icon

    Google Calendar VS Kontact - KOrganizer

    Is Google Calendar a good alternative to Kontact - KOrganizer?
     
    • Google Calendar is the most popular Web-based, Android, iPhone & iPad alternative to Kontact - KOrganizer.

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

    • Google Calendar is Free and ProprietaryKontact - KOrganizer is Free and Open Source
  2. Fossify Calendar icon
     26 likes

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

    50 Fossify Calendar alternatives
    Fossify Calendar screenshot 1
    Fossify Calendar screenshot 2
    +5
    Fossify Calendar screenshot 3

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Android
    • F-Droid
    • Android Tablet

    Properties

    1.  Privacy focused
    2.  Lightweight
    3.  Support for Themes

    Features

    1.  Ad-free
    2.  No registration required
    3.  No Tracking
    4.  Works Offline
    5.  Calendar View
    6.  Dark Mode
    7.  Reminders
    8. Google Calendar icon  Sync with Google Calendar
    9.  Multiple Account support
    10.  Calendar Integration
    11.  Material design
    12. Nextcloud icon  Sync with Nextcloud
    Fossify Calendar iconKontact - KOrganizer Icon

    Fossify Calendar VS Kontact - KOrganizer

    Is Fossify Calendar a good alternative to Kontact - KOrganizer?
     
    • Fossify Calendar is the most popular Open Source alternative to Kontact - KOrganizer.

    • Fossify Calendar is Free and Open SourceKontact - KOrganizer is also Free and Open Source
    • Fossify Calendar is Privacy focused and LightweightKontact - KOrganizer is not according to our users
  3. Evolution icon
     201 likes

    Evolution is a personal information management application that provides integrated mail, calendaring, address book and task list functionality.

    76 Evolution alternatives
    Mail

    License model

    • FreeOpen Source

    Application types

    Platforms

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

    Top Evolution Features

    1.  Calendar Integration
    2.  Contacts
    3.  CalDAV Support
    4.  Calendar View
    5.  Ad-free
    6.  Spam Filter
    7.  Multiple Account support
    8. Google Calendar icon  Sync with Google Calendar
    9.  Extensible by Plugins/Extensions
    10.  Dark Mode
    11.  Works Offline
    12.  GPG Encryption
    Evolution iconKontact - KOrganizer Icon

    Evolution VS Kontact - KOrganizer

    Is Evolution a good alternative to Kontact - KOrganizer?
     
    • Evolution is the most popular Linux alternative to Kontact - KOrganizer.

    • Evolution is Free and Open SourceKontact - KOrganizer is also Free and Open Source
  4. Org mode icon
     135 likes

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

    267 Org mode alternatives
    Org mode screenshot 1

    License model

    • FreeOpen Source

    Platforms

    • Mac
    • Windows
    • Linux
    • GNU Emacs

    Properties

    1.  Privacy focused
    2.  Lightweight
    3.  Customizable

    Features

    1.  Literate programming
    2.  Task Time Tracking
    3. GNU Emacs icon  Emacs integration
    4.  Plain text file
    5.  Extensible by Plugins/Extensions
    6.  Outliner
    7.  Hierarchical Structure
    8.  Portable
    9.  Command line interface
    10.  Export to HTML
    11.  Web-Based
    12.  Outline mode
    Org mode iconKontact - KOrganizer Icon

    Org mode VS Kontact - KOrganizer

    Is Org mode a good alternative to Kontact - KOrganizer?
     
    • Org mode is the most popular Windows & Mac alternative to Kontact - KOrganizer.

    • Org mode is Free and Open SourceKontact - KOrganizer is also Free and Open Source
    • Org mode is Customizable, Privacy focused and LightweightKontact - KOrganizer is not according to our users
  5. Simple Calendar icon
     50 likes

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

    98 Simple Calendar alternatives
    Simple Calendar screenshot 1
    Simple Calendar screenshot 2
    +2
    Simple Calendar screenshot 3

    License model

    • FreemiumProprietary

    Application type

    Platforms

    • Android
    • Android Tablet

    Simple Calendar Features

    1.  Dark Mode
    2.  Works Offline
    3.  Reminders
    4.  WebDAV Support
    5.  Notifications
    6.  Built-in Calendar
    Warning

    The Simple Mobile Tools suite of mobile apps have been bought by ZipoApps in December 2023, and now show some ads, while not being open source anymore. If you're looking for something similar to the original Simple Mobile Tools apps, you should take a look at the Fossify suite of apps (listed on AlternativeTo). More information here: Simple Mobile Tools bought by ZipoApps, sparks controversy over future of open source apps

    Simple Calendar iconKontact - KOrganizer Icon

    Simple Calendar VS Kontact - KOrganizer

    Is Simple Calendar a good alternative to Kontact - KOrganizer?
     
  6. OurCal icon
     5 likes

    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.

    52 OurCal alternatives
    OurCal screenshot 1
    OurCal screenshot 2
    +3
    OurCal screenshot 3

    License model

    • FreemiumProprietary

    Application type

    Platforms

    • Android
    • iPhone

    Properties

    1.  Privacy focused

    Features

    1.  No registration required
    2. Google Calendar icon  Sync with Google Calendar
    3.  No Tracking
    4.  End-to-End Encryption
    5.  Reminders
    6.  Calendar View
    7.  Ad-free
    8.  Calendar Sync
    9. Microsoft Outlook icon  Outlook integration
    10.  iOS widget
    11. Google Calendar icon  Google Calendar integration
    12.  Shared Calendar
    OurCal iconKontact - KOrganizer Icon

    OurCal VS Kontact - KOrganizer

    Is OurCal a good alternative to Kontact - KOrganizer?
     
  7. Rainlendar icon
     116 likes

    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.

    75 Rainlendar alternatives
    Events and Tasks

    License model

    • FreemiumProprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux

    Rainlendar Features

    1.  Reminders
    2.  Recurring Tasks
    3.  Ad-free
    4.  No registration required
    5. Google Calendar icon  Sync with Google Calendar
    6. Apple Calendar icon  iCal integration
    7.  Multiple languages
    8.  Sync with Fantastical
    Rainlendar iconKontact - KOrganizer Icon

    Rainlendar VS Kontact - KOrganizer

    Is Rainlendar a good alternative to Kontact - KOrganizer?
     
  8. Microsoft Mail and Calendar icon
     48 likes

    Windows 10 has Mail and Calendar apps already built in.

    85 Microsoft Mail and Calendar alternatives
    Microsoft Mail and Calendar screenshot 1

    License model

    • FreeProprietary

    Application types

    Platforms

    • Windows

    Microsoft Mail and Calendar Features

    1.  Run in background
    2.  Bundled with Windows
    3.  Unified inbox
    4.  Email tracking
    Discontinued

    Mail and Calendar are being phased out and replaced by Outlook. They should be discontinued by the end of 2024.

    Microsoft Mail and Calendar iconKontact - KOrganizer Icon

    Microsoft Mail and Calendar VS Kontact - KOrganizer

    Is this a good alternative to Kontact - KOrganizer?
     
  9. Apple Calendar icon
     141 likes

    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.

    91 Apple Calendar alternatives
    Apple Calendar screenshot 1

    License model

    • FreeProprietary

    Application type

    Platforms

    • Mac
    • iPhone
    • iPad
    • iCloud

    Apple Calendar Features

    1.  Web-Based
    2.  Sync with iCloud
    3.  Week Planner
    4.  Scheduling
    Apple Calendar iconKontact - KOrganizer Icon

    Apple Calendar VS Kontact - KOrganizer

    Is Apple Calendar a good alternative to Kontact - KOrganizer?
     
  10. Morgen icon
     26 likes

    Morgen merges your calendars, to-dos, productivity apps, and schedulers, so you manage all your time in one place. With Morgen as your time management hub, you’ll stop wasting time flipping between calendars, apps, and browser tabs, and just get work done.

    111 Morgen alternatives
    Morgen calendar, consolidated view of multiple calendars

    License model

    • FreemiumProprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone

    Properties

    1.  Privacy focused

    Features

    1.  Pomodoro Timer
    2.  Cloud Sync
    3. Google Calendar icon  Sync with Google Calendar
    4.  Calendar Integration
    5.  Dark Mode
    6.  Scheduling
    7. Todoist icon  Todoist integration
    8.  CalDAV Support
    9.  Calendar Sync
    10. Microsoft Outlook icon  Outlook integration
    11.  Personal-assistant
    12.  Task Scheduling
    Morgen iconKontact - KOrganizer Icon

    Morgen VS Kontact - KOrganizer

    Is Morgen a good alternative to Kontact - KOrganizer?
     
  11. Kontact icon
     37 likes

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

    113 Kontact alternatives
    Kontact screenshot 1

    License model

    • FreeOpen Source

    Application types

    Platforms

    • Linux

    Kontact Features

    1.  Google integration
    2.  Convert Email to Task
    3.  KDE
    4.  Feed Reader
    5.  Personal Information Manager (PIM)
    6.  Contacts
    Kontact iconKontact - KOrganizer Icon

    Kontact VS Kontact - KOrganizer

    Is Kontact a good alternative to Kontact - KOrganizer?
     
  12. Kalendar icon
     8 likes

    Kalendar is a Kirigami-based calendar application that uses Akonadi. It lets you add, edit and delete events from local and remote accounts of your choice, while keeping changes syncronised across your Plasma desktop or phone.

    109 Kalendar alternatives
    Kalendar screenshot 1

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Linux

    Kalendar Features

    1. KDE Plasma icon  KDE Plasma integration
    2.  KDE
    3.  Dark Mode
    4.  Ad-free
    5. Google Calendar icon  Sync with Google Calendar
    6.  Calendar Sync
    Kalendar iconKontact - KOrganizer Icon

    Kalendar VS Kontact - KOrganizer

    Is Kalendar a good alternative to Kontact - KOrganizer?
     
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