Proton Calendar is described as 'Your calendar is a record of your life. Proton Calendar helps keep it private' and is a very popular Calendar app in the office & productivity category. There are more than 50 alternatives to Proton Calendar for a variety of platforms, including Web-based, Android, iPhone, Mac and iPad apps. The best Proton Calendar alternative is Google Calendar. It's not free, so if you're looking for a free alternative, you could try Google Calendar or Tuta Calendar. Other great apps like Proton Calendar are Posteo, KashCal, Nextcloud Calendar and Apple Calendar.
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.
Atomcal is an events management platform (calendar app) that allows you to connect with Google calendar in real time and have your events on the platform sync with your communities on Discord and Twitch.
DNMX or Dark Net Email Exchange is a dark net email provider that allows anyone to create an email account anonymously and receive/send emails to the clear net.
The only fully-functional open-source calendar app with Material You.
United States
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A lightning-fast utility to calculate ISO 8601 calendar weeks, reverse-lookup dates, and generate embeddable website widgets.
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
@Calendar0bot is an AI-powered calendar and reminder assistant that works entirely inside Telegram.
Velprium is a digital bullet journal built on top of your Google Calendar. Keep your calendar exactly as it is Velprium adds status, tags, and ratings to your events, lets you see the same day through Plan / Act / Review lenses, and turns your history into weekly & monthly...
A professional scheduling app built specifically for law enforcement. Manage rotating shifts, off-duty jobs, court dates, leave, earnings, mileage, and personal events in one secure calendar.
United States
