Alternatives to Sunbird for all platforms with any license

  • 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

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

    Open Source Mac Windows Linux Thunderbird SeaMonkey

  • eM client icon

    eM client

    Fully functional alternative to Microsoft Outlook, including native interoperability with Exchange servers.

    Free Personal Windows

  • Rainlendar icon

    Rainlendar

    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

  • 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

  • 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

  • Osmo icon

    Osmo

    Osmo is a handy personal organizer, which includes calendar, tasks manager, address book and notes modules. It was designed to be a...

    Open Source Windows Linux BSD Xfce

  • Calendar icon

    Calendar

    Calendar, part of Office Online , is a time-management web application by Microsoft. With...

    Free Web / Cloud

  • UKs Kalender icon

    UKs Kalender

    This program helps you organizing your dates and tasks and reminds you of upcoming events.

    Free Windows

  • BORG Calendar icon

    BORG Calendar

    BORG is a combination calendar and task tracking system. The calendar supports all sorts of appointments and also a simple todo list....

    Open Source Windows Linux

  • BusyCal icon

    BusyCal

    Share Calendars on a LAN and sync with Google Calendar. BusyCal combines a beautiful, personal desktop calendar with an award...

    Commercial Mac

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  • Active Desktop Calendar icon

    Active Desktop Calendar

    This application is a software calendar with appointments notes, tasks, alarms and contacts that provides seamless integration and...

    Commercial Windows

  • 30 Boxes icon

    30 Boxes

    30 Boxes is an online calendering tool.

    Free Web / Cloud

  • GMinder icon

    GMinder

    GMinder is a reminder program that waits in your system tray and alerts you when you have an upcoming Google Calendar event. ...

    Open Source Windows

  • Cozi icon

    Cozi

    Cozi is a free online calendar that helps families coordinate activities. See who needs to be where and when, be reminded of upcoming...

    Free Web / Cloud Android iPhone Blackberry Android Tablet Windows Phone ... iPad Kindle Fire

  • Kontact - KOrganizer icon

    Kontact - KOrganizer

    KOrganizer is the calendar and scheduling component of Kontact, the integrated personal information manager from KDE.

    Open Source Linux KDE

  • do-Organizer icon

    do-Organizer

    do-Organizer includes useful tools to improve your experience and qualify you as an achiever. Store valuable information with a...

    Commercial Windows

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  • 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

  • Google Calendar Checker icon

    Google Calendar Checker

    Quickly see the time until your next meeting from any of your calendars. Click on the button to be taken to your calendar. Update: ...

    Free Mac Windows Linux

  • OrgCalendar icon

    OrgCalendar

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

    Commercial Web / Cloud

  • AnCal icon

    AnCal

    AnCal stores yours appointments, tasks and notes, which you can easily add and edit. You can also set alarms for selected items and...

    Open Source Android

  • Koma-Mail icon

    Koma-Mail Discontinued

    Koma-Mail is an email client which is comfortable and has very handy functions. It does not need an installation, so that you can run...

    Free Windows

  • Desktop iCalendar icon

    Desktop iCalendar

    Desktop iCalendar is a handy desktop calendar for Windows. It stays on your desktop and shows the days of the current month. It can...

    Commercial Windows

  • 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

  • Caliander icon

    Caliander

    Caliander is the calendar that lets you create events faster and with less effort while keeping you on top of things with its smart...

    Commercial Mac

  • PreMinder icon

    PreMinder

    PreMinder is an easy to use calendar with monthly, two-monthly, week or multi-week views. A handy scrollbar that lets you move through...

    Commercial Mac

  • 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

  • Handy Calendar icon

    Handy Calendar

    Dont stress anymore about remembering appointments and keeping track of your busy schedule, let Handy Calendar do it for you. Handy...

    Commercial S60