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, Rainlendar and Apple Calendar.

Sunbird iconSunbird
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Mozilla Sunbird was a cross-platform calendar application developed by the Mozilla Foundation, Sun Microsystems and many...

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Sunbird alternatives page was last updated Sep 9, 2022
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  1. Google Calendar icon

    Google Calendar

     936 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.

    149 Google Calendar alternatives

    License model

    • Free • Proprietary

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

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

    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 VS Sunbird

     

    • 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.

    128 Microsoft Outlook alternatives

    License model

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

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

    Top Microsoft Outlook Features

    1.  Exchange
    2.  Native application
    3.  Email Organizer
    4.  Calendar Integration
    5.  Calendar View
    6.  Cloud Sync
    7.  Support for @mentions
    8.  Unified inbox
    9.  Multiple Account support
    10.  Works Offline
    11.  Support for Aliases
    12.  Dark Mode

    Microsoft Outlook VS Sunbird

     

    • 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

     230 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

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Android
    eM Client: Inbox view

    Top eM Client Features

    1.  IMAP Support
    2.  Calendar Integration
    3.  Multiple Account support
    4.  PGP Encryption
    5.  Dark Mode
    6.  Exchange
    7.  Unified inbox
    8.  Cloud Sync
    9.  Email Organizer
    10. Google Calendar icon  Sync with Google Calendar
    11.  Automatic Backup
    12.  CardDAV Support

    eM Client VS Sunbird

     
  5. Rainlendar icon

    Rainlendar

     116 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

    License model

    • Freemium • Proprietary

    Application type

    Country of Origin

    • FI flagFinland
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    Events and Tasks

    Properties

    1.  Customizable

    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 VS Sunbird

     
    Comments about Rainlendar as an Alternative to Sunbird
    Guest
    Negative •Mar 10, 2020
    0

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

    Sunbird Icon
    Rainlendar icon

    • Rainlendar is the most popular Linux alternative to Sunbird.

    • Rainlendar is Freemium and ProprietarySunbird is Free and Open Source
  6. Apple Calendar icon

    Apple Calendar

     141 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.

    94 Apple Calendar alternatives

    License model

    • Free • Proprietary

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • iPhone
    • iPad
    • iCloud
    Apple Calendar screenshot 1

    Apple Calendar Features

    1.  Web-Based
    2.  Sync with iCloud
    3.  Week Planner
    4.  Scheduling

    Apple Calendar VS Sunbird

     
    Comments about Apple Calendar as an Alternative to Sunbird
    Guest
    Positive •Nov 24, 2020
    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)

    Sunbird Icon
    Apple Calendar icon
    • Apple Calendar is Free and ProprietarySunbird is Free and Open Source
  7. 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...

    59 BusyCal alternatives

    License model

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • iPhone
    • iPad
    • Apple Watch
    • MacPaw Setapp
    Month View.

    BusyCal Features

    1.  Cloud Sync
    2.  Dark Mode
    3.  Calendar Integration
    4.  Calendar View
    5.  Recurring Tasks
    6.  Calendar Sync
    7.  Group calendar filters
    8.  Snooze Alarm

    BusyCal VS Sunbird

     
  9. Calendar icon

    Calendar

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

    60 Calendar alternatives

    License model

    • Free • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    The calendar

    Calendar Features

    1.  Reminders
    2.  Shared Calendar

    Calendar VS Sunbird

     
  10. 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.

    81 Cozi alternatives

    License model

    • Free • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    • Android
    • iPhone
    • Blackberry
    • Android Tablet
    • Windows Phone
    • iPad
    • Kindle Fire
    Cozi screenshot 1

    Cozi Features

    1.  Family Calendar
    2.  Desktop Application

    Cozi VS Sunbird

     
  11. 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...

    License model

    • Free • Proprietary

    Application type

    Country of Origin

    • IN flagIndia

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Apple Watch
    Zoho Calendar screenshot 1

    Zoho Calendar Features

    1.  Reminders
    2.  CalDAV Server
    3.  Shared Calendar
    4.  Compatible with Google Calendar
    5.  Appointment Scheduling
    6.  Scheduling

    Zoho Calendar VS Sunbird

     
  12. BORG Calendar icon

    BORG Calendar

     11 likes
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    BORG is a combination calendar and task tracking system. The calendar supports all sorts of appointments and also a simple todo list. The calendar functionality is similar to that of other PIMs, such as Microsoft Outlook, Mozilla Calendar, Palm Desktop, Yahoo Calendar, etc...

    45 BORG Calendar alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Windows
    • Linux
    BORG Calendar screenshot 1

    BORG Calendar Features

    1.  Dark Mode
    2.  Pomodoro Timer
    3.  Task Tracking
    4.  CalDAV Support

    BORG Calendar VS Sunbird

     

    • BORG Calendar is the most popular Open Source alternative to Sunbird.

    • BORG Calendar is Free and Open SourceSunbird is also Free and Open Source
  13. 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.

    License model

    • Freemium • Proprietary

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Windows
    VueMinder Calendar screenshot 1

    VueMinder Calendar Features

    1.  Portable
    2.  Reminders
    3. Google Calendar icon  Sync with Google Calendar
    4.  Synchronization

    VueMinder Calendar VS Sunbird

     
  14. Osmo icon

    Osmo

     18 likes
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    Osmo is a handy personal organizer, which includes calendar, tasks manager, address book and notes modules. It was designed to be a small, easy to use and good looking PIM tool to help to manage personal information.

    60 Osmo alternatives

    License model

    • Free • Open Source

    Application types

    Platforms

    • Linux
    • BSD
    • Xfce
    Osmo screenshot 1

    Osmo Features

    1.  Rich text editing
    2.  Contacts
    3.  Personal Information Manager (PIM)

    Osmo VS Sunbird

     
12 of 25 Sunbird alternatives