Sites and apps similar to newDay include Google Calendar, which is free for personal use. Other options are Proton Calendar, Fossify Calendar, Tuta Calendar and Etar. There's no shortage of Calendar Apps like newDay, with more than 100 alternatives for Android, iPhone, Windows, Linux and Mac.
Merkuro is a calendar and contact application that allows you to manage your tasks, events and contacts. Merkuro supports both local calendars as well as a multitude of online calendars: Nextcloud, Google® Calendar, Outlook®, Caldav, and many more.
Germany
EU
Amie is a productivity application that facilitates task, event, and contact management, integrating a scheduling feature for task and event time allocation, and effectively transforming the calendar into a todo list, with color-coding for improved organization and visual...
GermanyEU
HEY Calendar is a digital scheduling tool designed with a unique approach to managing time and tasks. It offers a feature that allows users to rename days according to their significance, such as designating a day as 'Travel day', 'Anniversary', or 'No work...
United States
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...
United States
Popular calendar app integrating Google, Live, Outlook, iCloud, Exchange, Office365, and Facebook into an easy overview. Manage appointments, events, and birthdays seamlessly with customizable views and notifications. Optimized for both personal and professional use.
NetherlandsEU
Sometimes we just need to plan our days to make better use of the hours. Sometimes we just need our days to be more ... Structured.
GermanyEU
Calendar encryption: View calendars and stores them encrypted on your device or in the cloud.
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.
United States
Me Calendar is a user-friendly calendar app equipped with widget support. Seamlessly integrate with Google Calendar, Microsoft 365, Outlook.com, iCloud, CalDAV, and WebCAL.
United Kingdom
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...
United States
Android calendar-app showing the weeks of the year (week numbers), 21 languages, syncable with Google Calendar:
GermanyEU
TimeTree is a calendar app designed around the concept of shared schedules and communication.
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