Calendar 366 Alternatives

Calendar 366 is described as 'Appointments and reminders, meetings and deadlines, birthdays and dates - make the most of your time with Calendar 366 II!' and is a Calendar app in the office & productivity category. There are more than 10 alternatives to Calendar 366 for a variety of platforms, including Mac, iPhone, iPad, Android and Apple Watch. The best alternative is Itsycal, which is both free and Open Source. Other great apps like Calendar 366 are Fantastical, Kalendar, BusyCal and Day-O.

Calendar 366 alternatives are mainly Calendar Apps but may also be Todo List Managers or Task Management Tools. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Calendar 366.

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Calendar 366

Paid • Proprietary
Calendar App

Mac
iPhone
iPad
Apple Watch

Appointments and reminders, meetings and deadlines, birthdays and dates - make the most of your time with Calendar 366 II!

Learn more about Calendar 366

Itsycal
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Free • Open Source
Calendar App
Mac
19 alternatives to Itsycal
Itsycal is a tiny menu bar calendar. If you want, it will display your events as a companion to the Mac Calendar app.
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Itsycal Features
1. LightweightItsycal consumes less device resources compared to similar apps.
2. Ad-freeItsycal doesn't contain any form of external advertising.
Minimalistic
Sits in the MenuBar
Sync with iCloud
Date format customisation
Fantastical
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Paid • Proprietary
Calendar App
Mac
iPhone
iPad
Apple Watch
42 alternatives to Fantastical
Fantastical is a flexible calendar with natural language event creation, a beautiful calendar and event list, support for CalDAV (including Google Calendar delegates) automatic alarms, and instant searching.
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Fantastical Features
1. Sync with Google CalendarFantastical can be synchronized with Google Calendar
Calendar Sync
Exchange
ICloud Integration
Natural Language Processing
CalDAV Support
Yahoo Integration
Sits in the MenuBar
Kalendar
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Free • Open Source
Calendar App
Linux
92 alternatives to Kalendar
Kalendar is a Kirigami-based calendar application that uses Akonadi. It lets you add, edit and delete events from local and remote accounts of your choice, while keeping changes syncronised across your Plasma desktop or phone.
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Kalendar Features
1. Sync with Google CalendarKalendar can be synchronized with Google Calendar
KDE Plasma integration
KDE
Calendar Sync
BusyCal
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No
Paid • Proprietary
Calendar App
Todo List Manager
Task Management Tool
Mac
42 alternatives to BusyCal
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...
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BusyCal Features
1. Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
2. Dark ModeBusyCal supports dark mode for comfortable usage in low light conditions.
3. Calendar IntegrationBusyCal lets you sync your tasks and events with your calendar application.
4. Calendar ViewBusyCal has a built-in calendar view to have a clear overview of your content over time.
5. Recurring TasksBusyCal supports scheduling a task to recur at any frequency, such as daily or weekly.
Calendar Sync
Group calendar filters
Snooze Alarm
Day-O
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Free • Proprietary
Calendar App
Mac
11 alternatives to Day-O
Day-O is a simple menu bar clock replacement with a simple calendar for your Mac. Which uses strftime style customisation.
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Day-O Features
Sits in the MenuBar
Dato
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Paid • Proprietary
Calendar App
Mac
22 alternatives to Dato
Dato is a replacement for the system menu bar clock.
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Dato Features
1. Sync with Google CalendarDato can be synchronized with Google Calendar
Timezone customization
Time clock
Display info on the menubar
Sits in the MenuBar
Butleroy
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No
Paid • Proprietary
Calendar App
Todo List Manager
Task Management Tool
Mac
iPhone
43 alternatives to Butleroy
Butleroy finds time for you and your friends. It is an automatic calendar planner app that integrates with existing calendars. It also helps you to manage your to-dos and schedules tasks when you actually have time.
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Butleroy Features
1. Sync with Google CalendarButleroy can be synchronized with Google Calendar
2. Calendar IntegrationButleroy lets you sync your tasks and events with your calendar application.
3. RemindersButleroy allows you to set reminders for tasks, events or actions, based on parameters of time, place or condition.
Scheduling
Calendar Sync
Shared Calendar
Task Scheduling
Periodic Reminders
Qbix Calendar
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No
Freemium • Proprietary
Calendar App
Mac
13 alternatives to Qbix Calendar
Put a calendar on your menu bar, and access your calendar, weather, and more at a glance.
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Qbix Calendar Features
1. Sync with Google CalendarQbix Calendar can be synchronized with Google Calendar
Facebook integration
InstaCal
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No
Paid • Proprietary
Calendar App
Mac
22 alternatives to InstaCal
InstaCal is an affordable, yet powerful calendar app that puts all your events right at your fingertips, always available in your Mac's menu bar. InstaCal is quick and convenient, and can be opened at any time with a configurable keyboard shortcut.
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InstaCal Features
CalDAV Support
Peek Calendar
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No
Paid • Proprietary
Calendar App
iPhone
14 alternatives to Peek Calendar
Peek is a simple to use calendar for your iPhone.

Peek Calendar has no features, suggest some!

Showing 10 of 16 alternatives

Itsycal Features

Fantastical Features

Kalendar Features

BusyCal Features

Day-O Features

Dato Features

Butleroy Features

Qbix Calendar Features

InstaCal Features