Alternatives to Kontact - KOrganizer for all platforms with any license





Web / Online



Indie / Classic

Other Platforms

  • Google Calendar icon

    Google Calendar

    With Google Calendar, its easy to keep track of all your lifes important events in one place. You can add events and send invitations...

    Free Web / Cloud Android iPhone Chrome OS Android Tablet iPad ... Sunbird Chrome

  • Lightning icon


    Lightning brings the Sunbird calendar to the popular email client, Mozilla Thunderbird...

    Open Source Mac Windows Linux Thunderbird SeaMonkey

  • Evolution icon


    Evolution is the official personal information manager and workgroup information management tool for GNOME. It combines e-mail...

    Open Source Linux BSD GNOME

  • Org-mode icon


    Org-mode is for keeping notes, maintaining ToDo lists, doing project planning, and authoring with a fast and effective plain-text...

    Open Source Mac Windows Linux Android iPhone iPad

  • Apple Calendar icon

    Apple Calendar

    Keep track of your busy schedule and share it with others using Calendar. Create separate calendars — one for home, another for...

    Free Mac iPhone iPad iCloud

  • Rainlendar icon


    Rainlendar is a feature rich calendar application that is easy to use and doesn't take much space on your desktop. The application...

    Freemium Mac Windows Linux

  • VueMinder Calendar icon

    VueMinder Calendar

    Take control of your schedule and get reminded wherever and however you want. Instantly access your appointments, tasks, and notes...

    Freemium Windows

  • Kontact icon


    Kontact is the integrated Personal Information Manager of KDE. Kontact suite unites mature and proven KDE PIM applications under...

    Open Source Windows Linux

  • CalenGoo icon


    CalenGoo gives you a fast and easy way to access and change your Google Calendar (or Google Apps Calendar) with your Android device....

    Commercial Android iPhone Android Tablet iPad Android Wear

  • ABC Birthday Reminder icon

    ABC Birthday Reminder

    Missing a dental appointment is an unpleasant thing, missing a scheduled call to your client overseas puts you into an even more...

    Commercial Windows

  • qOrganizer icon

    qOrganizer Discontinued

    qOrganizer is a general organizer that includes a calendar with schedule,reminders,journal/notes for every day, to-do list. But...

    Open Source Windows Linux BSD

  • Yahoo! Calendar icon

    Yahoo! Calendar

    You can view an entire month or focus on a specific date and time. You can also assign colors for different calendars and to-do...

    Free Web / Cloud

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  • DigiCal icon


    BEAUTIFULLY DESIGNED DigiCal’s diary planner and organizer provides a clear and beautiful overview for your events and appointments. ...

    Free Android Android Tablet

  • OrgCalendar icon


    A fully-functional scheduling WEB-application. The easy way for any organization to have a Internet-calendar within minutes! You...

    Commercial Web / Cloud

  • RMP3 icon

    RMP3 Discontinued

    Remind-Me-Please is a freeware reminder program which will give you advance warning of upcoming events, appointments, TV programs...

    Free Mac Windows Linux Mono

  • Do It Tomorrow icon

    Do It Tomorrow

    'Do It Tomorrow' is a Windows desktop application which helps you to track, organize, reuse, export, print, and summarize your...

    Freemium Windows Android

  • CCalendar icon

    CCalendar Discontinued

    CCalendar, formerly Moo Calendar, is a free Windows calendar software supports Google Calendar and Yahoo! calendar. It is featured...

    Free Personal Windows

  • KeepTime icon


    A free, smart calendar with wait time reports. Wait less, do more. KeepTime is your personal, smart calendar that helps you outsmart...

    Free Web / Cloud Android

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  • Visual Calendar for Tablets icon

    Visual Calendar for Tablets

    Visual Calendar will change the way you plan your life. Visually link the things you plan to do, creating logical chains. Think Mind...

    Commercial Android Android Tablet

  • Zoho Calendar icon

    Zoho Calendar

    Zoho Calendar is a free online calendar application that helps you to track your appointments and meeting schedule, send invitation...

    Free Web / Cloud

  • icon

    Light-weight and easy-to-use online calendar like a usual memo calendar on the wall.

    Free Web / Cloud

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