Tuta Calendar is described as 'Organize events with encrypted privacy, zero-knowledge and no tracking. Features include multi-device sync, multiple views, and offline support' and is a popular Calendar app in the office & productivity category. There are more than 25 alternatives to Tuta Calendar for a variety of platforms, including Web-based, Android, iPhone, iPad and Mac apps. The best Tuta Calendar alternative is Google Calendar. It's not free, so if you're looking for a free alternative, you could try Google Calendar or Proton Calendar. Other great apps like Tuta Calendar are Etar, KashCal, Notion Calendar and Nextcloud Calendar.
Your daily schedule is created from your logged Activities. Comfortably browse what activities you have planned for the day on the main “day” page. Watch them light up as you go through your day and collect streaks for each day you plan.
United States
Your calendar, on steroids. Enhance your productivity and organise your time with Vimcal touted to be the quickest and fastest calendar app ever.
United States
muCalendar is a lightweight, open-source desktop calendar application built for users who value privacy and simplicity. It brings your remote calendars — whether self-hosted or cloud-based — into a clean, native desktop experience.
France
EU
Calindori is a touch-friendly calendar application. It has been designed for mobile Linux devices but it can also run on desktop environments. Users of Calindori are able to check previous and future dates and manage tasks and events.
GermanyEU
The only fully-functional open-source calendar app with Material You.
United States
GermanyEU
Calendarscope is a full-featured calendar software for planning, managing, and scheduling appointments, meetings, birthdays, vacations, special events. It allows you to view all your events in a daily, weekly, monthly, or yearly overview.
Russia
A lightning-fast utility to calculate ISO 8601 calendar weeks, reverse-lookup dates, and generate embeddable website widgets.
You can view an entire month or focus on a specific date and time.
You can also assign colors for different calendars and to-do lists, and drag-and-drop events between dates or years. Yahoo! Calendar gives you more control to share your calendars and events. You can control how.
Zenframe is a calm, all-in-one family planning app that combines shared calendars, tasks, meal planning, routines, and an AI assistant. Designed to reduce mental load and bring structure to busy families with a clean, distraction-free experience.
Norway
