One of the most popular alternatives to Google Calendar is Proton Calendar, which has a free version. Other popular alternatives are Fossify Calendar, Tuta Calendar, Etar and Fantastical. Calendar Apps like Google Calendar are a crowded field, with more than 100 alternatives for the web, iPhone, Android, iPad and Mac.
Cupla is a shared calendar app built for couples. It merges both partners' Google, Apple and Outlook calendars into one colour-coded view, plus shared to-dos, date planning, countdowns, wishlists and an AI assistant.
New Zealand
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.
United States
Combined calendar for all team and channel events.
Access your calendar via access links without a login. For your calendar you get several access links for which you can set individual permissions (e.g. read or write).
Germany
EU
MIDAS is a leading room booking system giving you complete control over your room bookings and resource scheduling, and trusted by organizations and businesses of all shapes and sizes around the world.
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
End-to-end encrypted sync for calendar, contacts and tasks. Integrates with your existing apps, data is encrypted on your devices before it ever reaches the server.
United States
CalenGoo gives you a fast and easy way to access and change your Google Calendar (or Google Apps Calendar) with your Android device. It can either work with the built-in calendar or it can sync directly with Google.
All-in-one family logistics platform with collaborative color-coded calendar syncing to Google, Outlook, Apple, AI-powered event entry from documents and images, chore and habit tracking, reward system, meal planning with grocery lists, and kitchen wall display mode.
SwedenEU
Online appointment scheduler offering customizable booking pages, 24/7 self-booking, instant confirmations, automated reminders, calendar sync, multi-staff management, mobile access, real-time updates, and video meeting integrations for global appointments.
United States
