Sunbird AlternativesCalendar Apps like Sunbird

Sunbird is described as 'Mozilla Sunbird was a cross-platform calendar application developed by the Mozilla Foundation, Sun Microsystems and many volunteers. Our goal was to provide you with full-featured and easy to use calendar application that you can use around the world' and is a Calendar app in the office & productivity category. There are more than 25 alternatives to Sunbird for a variety of platforms, including Windows, Mac, Web-based, Linux and iPhone apps. The best Sunbird alternative is Google Calendar, which is free. Other great apps like Sunbird are Microsoft Outlook, eM Client, Apple Calendar and Rainlendar.

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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 Sunbird.

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

    • Google Calendar is Free and ProprietarySunbird is Free and Open Source
  2. Microsoft Outlook icon

    Microsoft Outlook

     397 likes
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    Streamline emails, calendars, contacts, and task management with a smart inbox prioritizing critical messages. Includes calendar scheduling, third-party app integration like Facebook, Dropbox, and Trello, and support for Microsoft Exchange, Outlook.com, and Gmail, ensuring efficient task and email handling.

    126 Microsoft Outlook alternatives

    Cost / License

    • Pay once or Subscription
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Apple Watch
    • Android Wear
    Outlook 365 on Windows
     

    • Microsoft Outlook is the most popular Windows & Mac alternative to Sunbird.

    • Microsoft Outlook is the most popular commercial alternative to Sunbird.

    • Microsoft Outlook is Paid and ProprietarySunbird is Free and Open Source
  4. eM Client icon

    eM Client

     232 likes
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    eM Client is a full featured e-mail client with a modern and easy to use interface. eM Client also offers calendar, tasks, contacts, notes and chat.

    61 eM Client alternatives

    Cost / License

    • Freemium (Pay once)
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Android
    eM Client: Inbox view
     
  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. 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
     
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    1
    Comments about Apple Calendar as an Alternative to Sunbird
    Guest
    Positive
    0

    Available on www.iCloud.com [Windows, Linux, BSD... or any web browser like Firefox or Safari], and in macOS, iOS and iPadOS (and even OutDated ?Apple devices)

    Review by a new / low-activity user.
    Sunbird Icon
    Apple Calendar icon
    • Apple Calendar is Free and ProprietarySunbird is Free and Open Source
  7. 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
     
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    1
    Comments about Rainlendar as an Alternative to Sunbird
    Guest
    Negative
    0

    Nothing like Sunbird. Sunbird looked just like a wall calendar with easy to read entries. This isn't.

    Review by a new / low-activity user.
    Sunbird Icon
    Rainlendar icon

    • Rainlendar is the most popular Linux alternative to Sunbird.

    • Rainlendar is Freemium and ProprietarySunbird is Free and Open Source
    • Rainlendar is CustomizableSunbird is not according to our users
  8. BusyCal icon

    BusyCal

     21 likes
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    BusyCal is the most powerful, flexible, heavily customizable, reliable calendar app for macOS. It's packed with time-saving features and compatible with all leading cloud services including Reminders, iCloud, Google, Exchange, Office 365, Yahoo, Fastmail, Fruux, Kerio, Zoom...

    60 BusyCal alternatives

    Cost / License

    • Pay once
    • Proprietary

    Application types

    Platforms

    • Mac
    • iPhone
    • iPad
    • Apple Watch
    • MacPaw Setapp
    Month View.
     
  10. VueMinder Calendar icon

    VueMinder Calendar

     19 likes
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    Take control of your schedule and get reminded wherever and however you want. Instantly access your appointments, tasks, and notes with a simple glance at a transparent calendar that sits right on your Windows desktop.

    54 VueMinder Calendar alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Windows
    VueMinder Calendar screenshot 1
     
  11. Outlook Calendar icon

    Outlook Calendar

     18 likes
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    Web-based time-management tool featuring appointment scheduling, sharing, reminders, to-do list integration, iCalendar file import, collaborative options, multiple calendar creation, recurring events, and cross-device access for both personal and organizational use.

    61 Outlook Calendar alternatives

    Cost / License

    • Free
    • Proprietary

    Application types

    Platforms

    • Online
    Outlook Calendar screenshot 1
     
  12. Zoho Calendar icon

    Zoho Calendar

     2 likes
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    Zoho Calendar is an online calendar that helps you stay organised. Zoho Calendar makes scheduling events & appointments, sharing team calendar, booking resources easy & effortless. With over 15 million happy users, we are equipped to cater for different needs - Personal...

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Apple Watch
    Zoho Calendar screenshot 1
     
  13. KOrganizer icon

    KOrganizer

     18 likes
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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 variety of calendaring services, including NextCloud, Kolab...

    43 KOrganizer alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Linux
    • KDE Plasma
    KOrganizer screenshot 1
     

    • KOrganizer is the most popular Open Source alternative to Sunbird.

    • KOrganizer is Free and Open SourceSunbird is also Free and Open Source
  14. Desktop iCalendar icon

    Desktop iCalendar

     5 likes
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    Desktop iCalendar is a handy desktop calendar for Windows. It stays on your desktop and shows the days of the current month. It can sync with your Google Calendar, share calendars with your family and friends. It also uses high-quality fonts, looks pretty, and has lots of skins.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Windows
    desktop icalendar screenshot
     
  15. Cozi icon

    Cozi

     10 likes
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    Cozi is a free online calendar that helps families coordinate activities. See who needs to be where and when, be reminded of upcoming appointments, and print your calendar by week or month. Cozi is the easiest online calendar you'll ever use.

    82 Cozi alternatives

    Cost / License

    • Free
    • Proprietary

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    • Blackberry
    • Android Tablet
    • Windows Phone
    • iPad
    • Kindle Fire
    Cozi screenshot 1
     
12 of 25 Sunbird alternatives