There are many alternatives to Sunbird for Mac and since it's discontinued a lot of people are looking for a replacement. The best Mac alternative is Microsoft Outlook. It's not free, so if you're looking for a free alternative, you could try eM Client or Apple Calendar. If that doesn't suit you, our users have ranked more than 25 alternatives to Sunbird and eight of them are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to Sunbird are Rainlendar, BusyCal, PreMinder and Caliander.
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.
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.
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.
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.
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...
Caliander is the calendar that lets you create events faster and with less effort while keeping you on top of things with its smart and unique presentation. It uses the same calendar database as iCal, so it syncs with all your devices as usual, and all your events are there—no...
Quickly see the time until your next meeting from any of your calendars. Click on the button to be taken to your calendar.
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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)