Appointments and reminders, meetings and deadlines, birthdays and dates - make the most of your time with Calendar 366 II!
Cost / License
- Paid
- Proprietary
Application types
Platforms
- Mac
- iPhone
- iPad
- Apple Watch




Ulti-Planner is described as 'New modern calendar app with best-in-class features. We have spent years perfecting our new flagship product with speed, power, and flexibility. Features include full year, month, timeline day, week, and agenda list views to display your events and reminders' and is a Calendar app in the office & productivity category. There are more than 50 alternatives to Ulti-Planner for a variety of platforms, including Mac, iPhone, iPad, Web-based and Android apps. The best Ulti-Planner alternative is Google Calendar. It's not free, so if you're looking for a free alternative, you could try Google Calendar or Fantastical. Other great apps like Ulti-Planner are Apple Calendar, Rainlendar, OurCal and Scheduler - Calendar Widget.
Appointments and reminders, meetings and deadlines, birthdays and dates - make the most of your time with Calendar 366 II!




Maya is a slim, lightweight, GCal-syncing GTK+ Calendar application written in Vala, specifically for elementary OS . Also looks and works great on other GTK+ desktops.

SSuite My Calendar Diary Portable is a software utility whose purpose is to provide individuals with a simple means of keeping better track of their schedule.




Put a calendar on your menu bar, and access your calendar, weather, and more at a glance.


See your calendar events quickly and easily at a glance, without opening the calendar application. Pixel scheduler places a bar on your screen, with your events displayed as ‘blocks’. Just look to the bar to see your events, and hover for details.



Don't miss your upcoming appointments -- get notified on your device when you should leave to make it there on time!

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.


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.







Keep using the Reminders and Calendar apps that you know and love, but with the ability to view your reminders directly in the Calendar app.




Ordr is an intelligent AI task manager and planner that turns messy to-do lists into a clear plan—so you can focus, finish tasks, and keep your day on track.

Sidebar Calendar brings your schedule to your screen’s edge and menu bar — so you always know what’s next. Whether you're deep in focus or jumping between meetings, it keeps your day in view with zero friction.



