Proton Calendar Alternatives

Proton Calendar is described as 'Your calendar is a record of your life. Proton Calendar helps keep it private' and is a popular Calendar app in the office & productivity category. There are more than 25 alternatives to Proton Calendar for a variety of platforms, including Web-based, iPhone, Android, iPad and Mac apps. The best Proton Calendar alternative is Tuta Mail, which is both free and Open Source. Other great apps like Proton Calendar are Google Calendar, Tuta Calendar, Etar and Notion Calendar.

Proton Calendar iconProton Calendar
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Your calendar is a record of your life. Proton Calendar helps keep it private.

More about Proton Calendar
More about Proton Calendar
Proton Calendar alternatives page was last updated May 16, 2025
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  1. Daybridge icon

    Daybridge

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    Daybridge is a new calendar for Web, iOS and Android that will help you make time for what matters.

    License model

    • Free • Proprietary

    Application type

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Daybridge screenshot 1

    Daybridge VS Proton Calendar

     
  2. Calendarscope icon

    Calendarscope

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    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.

    License model

    Application types

    Country of Origin

    • RU flagRussia

    Platforms

    • Windows
    Calendarscope screenshot 1

    Calendarscope Features

    1.  Reminders
    2. Google Calendar icon  Sync with Google Calendar
    3.  Portable
    4.  Agenda
    5.  Drag and Drop
    6.  Appointment Scheduling
    7.  Task Scheduling

    Calendarscope VS Proton Calendar

     
  4. Shared Team Calendar for Microsoft Teams icon

    Shared Team Calendar for Microsoft Teams

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    Combined calendar for all team and channel events.

    License model

    Application types

    Platforms

    • Microsoft Teams
    View and manage team schedules across Microsoft Teams, Outlook, Google, and other external calendars (iCalendars), preventing scheduling conflicts in industries like IT and consulting.

    Shared Team Calendar for Microsoft Teams Features

    1.  Calendar View
    2.  Task Time Tracking
    3.  Calendar Integration
    4.  Real time collaboration
    5.  Goal Tracking
    6.  Recurring Tasks
    7.  Ad-free
    8.  Reminders
    9.  Shared Calendar
    10. Microsoft Teams icon  Microsoft Teams Integration

    Shared Team Calendar for Microsoft Teams VS Proton Calendar

     
  5. Ad
    Screenshot
    Notion Calendar icon
    Notion Calendar

    Experience a fully integrated calendar with Notion, syncing events from Google Calendar, offering built-in scheduling, time zone support, and the ability to connect multiple accounts. Manage all events, personal and work, with a ...

    https://www.notion.so
    Learn More
  6. Smart Calendars AI icon

    Smart Calendars AI

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    Create calendar events instantly by speaking, snapping photos, or pasting text or websites in multiple languages or use the AI scheduler to receive intelligent suggestions.

    License model

    Application type

    Platforms

    • iPhone
    • iPad
    Easily create events from text, photo & speech using AI.
    Take a photo – get an event!
    Quickly dictate events in your preferred language.

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  Calendar View
    2.  Reminders
    3.  Ad-free
    4.  Recurring Tasks
    5.  Calendar Integration
    6.  Dark Mode
    7.  Cloud Sync
    8.  AI-Powered
    9.  Shared Calendar
    10.  Event management

    Smart Calendars AI VS Proton Calendar

     
  7. rotime icon

    rotime

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    rotime is designed to adapt events to your waking hours. You can add routines, checklists, and events to your schedule. Events will automatically shift to accommodate to your wake-up time.

    License model

    • Freemium • Proprietary

    Application type

    Platforms

    • Online
    • Android
    • Android Tablet
    rotime screenshot 1

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  Dark Mode
    2.  Task Time Tracking
    3.  Calendar Integration
    4.  Recurring Tasks
    5. Google Calendar icon  Sync with Google Calendar
    6.  Ad-free
    7.  Cloud Sync
    8.  Reminders
    9.  Multiple Account support
    10.  Calendar View
    11.  Routine timer
    12.  Planner

    rotime VS Proton Calendar

     
  8. LiveDeskCal icon

    LiveDeskCal

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    Windows desktop calendar widget that brings your calendar to your desktop—always visible, always in sync, and built to keep your day on track.

    License model

    • Freemium • Proprietary

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Windows
    LiveDeskCal screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  Works Offline
    2.  Calendar View
    3.  No registration required
    4.  Ad-free
    5. Google Calendar icon  Sync with Google Calendar
    6.  Calendar Integration
    7.  No Tracking
    8.  Reminders
    9.  Widgets
    10.  Calendar Sync

    LiveDeskCal VS Proton Calendar

     
  10. newDay icon

    newDay

     4 likes
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    newDay is an experimental timekeeping and calendar system that helps users to set intentions for each of the ten newHours that comprise a newDay.

    License model

    • Free • Proprietary

    Application type

    Platforms

    • Online
    newDay screenshot 1

    newDay Features

    1.  Planner

    newDay VS Proton Calendar

     
  11. TinyMonth icon

    TinyMonth

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    Life changes, and so should your ability to plan around it. TinyMonth is a simple zoomed-out calendar. It lets you pencil in dates, switch things around, and share it simply.

    License model

    • Free • Proprietary

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    TinyMonth screenshot 1

    TinyMonth Features

    1.  Shared Calendar

    TinyMonth VS Proton Calendar

     
  12. Yahoo! Calendar icon

    Yahoo! Calendar

     4 likes
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    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.

    License model

    • Free • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Online

    Yahoo! Calendar Features

    1.  CalDAV Support

    Yahoo! Calendar VS Proton Calendar

     
  13. Calendar.online icon

    Calendar.online

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    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).

    License model

    • Freemium • Proprietary

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    Calendar.online screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  No registration required
    2.  Real time collaboration
    3.  Calendar Integration
    4.  Dark Mode
    5.  Reminders
    6.  Ad-free
    7.  Shared Calendar

    Calendar.online VS Proton Calendar

     
  14. Atomcal icon

    Atomcal

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    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.

    License model

    • Freemium • Proprietary

    Platforms

    • Online
    Main screenshot

    Atomcal Features

    1.  Community-based
    2.  Event management

    Atomcal VS Proton Calendar

     
  15. DNMX icon

    DNMX

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    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.

    52 DNMX alternatives

    License model

    • Freemium • Proprietary

    Platforms

    • Online

    DNMX Features

    1.  Tor

    DNMX VS Proton Calendar

     
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