AlternativeTo Logo

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 Calendar app in the office & productivity category. There are more than 10 alternatives to Proton Calendar for a variety of platforms, including Online / Web-based, Mac, iPhone, iPad and Android. The best alternative is Google Calendar, which is free. Other great apps like Proton Calendar are Etar, Lightning Calendar, Nextcloud Calendar and Rainlendar.

Proton Calendar alternatives are mainly Calendar Apps but may also be Todo List Managers or Task Management Tools. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Proton Calendar.
This page was last updated
  • Online
  • Android
  • Android Tablet
  • Tor
  • iPhone

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

Learn more about Proton Calendar

  1. Google Calendar icon

    Google Calendar

    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • Sunbird
    • Google Chrome
    124 alternatives to Google Calendar 

    With Google Calendar, its easy to keep track of all your lifes important events in one place. You can add events and send invitations effortlessly, share your schedule with friends and family, and search for events you might enjoy.

     Suggest and vote on features
    Features
    1.  Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
    2.  IFTTT IntegrationYou can connect different services to automatically trigger actions within Google Calendar using IFTTT.
    3.  Calendar IntegrationGoogle Calendar lets you sync your tasks and events with your calendar application.
    Screenshot
    Screenshot
    Screenshot
    Google Calendar vs Proton Calendar opinions
    pros, cons and recent comments
    Guest

    That's because the capabilities of both apps are common. So that while you're using Google Calendar, you feel like you're using ProtonCalendar.

    Positive comment ago
    Copy a direct link to this comment to your clipboard   
    If this Comment contains spam or other abuse, notify admins about it.   
    0
  2. Etar icon

    Etar

    • Android
    • Android Tablet
    37 alternatives to Etar 

    Material design open source calendar for Android.

     Suggest and vote on features
    Features
    1.  LightweightEtar consumes less device resources compared to similar apps.
    2.  Ad-freeEtar doesn't contain any form of external advertising.
    3.  Privacy focusedEtar is considered a privacy friendly alternative.
    Screenshot
    Screenshot
    Screenshot
    Etar vs Proton Calendar opinions
    pros, cons and recent comments
    Guest

    Etar is great and I use it a lot. But it's too different from ProtonCalendar for 2 reasons:

    • It does not support data encryption.
    • It does not allow to connect to ProtonCalendar online services.
    Negative comment ago
    Copy a direct link to this comment to your clipboard   
    If this Comment contains spam or other abuse, notify admins about it.   
    0


  3. Lightning Calendar icon

    Lightning Calendar

    • Mac
    • Windows
    • Linux
    • Thunderbird
    • SeaMonkey
    70 alternatives to Lightning Calendar 

    Organize your schedule and life’s important events in a calendar that’s fully integrated with your Thunderbird or Seamonkey email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.

     Suggest and vote on features
    Features
    1.  Ad-freeLightning Calendar doesn't contain any form of external advertising.
    2.  Calendar IntegrationLightning Calendar lets you sync your tasks and events with your calendar application.
    Screenshot
  4. Nextcloud Calendar icon

    Nextcloud Calendar

    • Online
    • Self-Hosted
    21 alternatives to Nextcloud Calendar 

    The Calendar app is a user interface for Nextcloud's CalDAV server. Easily sync events from various devices with your Nextcloud and edit them online.

     Suggest and vote on features
    Features
    1.  Privacy focusedNextcloud Calendar is considered a privacy friendly alternative.
    2.  RemindersNextcloud Calendar allows you to set reminders for tasks, events or actions, based on parameters of time, place or condition.
    3.  Real time collaborationMultiple users can work together in Nextcloud Calendar simultaneously.
    4.  Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
    Screenshot
  5. Rainlendar icon

    Rainlendar

    • Mac
    • Windows
    • Linux
    60 alternatives to Rainlendar 

    Rainlendar is a feature rich calendar application that is easy to use and doesn't take much space on your desktop. The application is platform independent so you can run it on all major operating systems: Windows, Linux and Mac OS X.

     Suggest and vote on features
    Features
    Events and Tasks
    Alarms


  6. Apple Calendar icon

    Apple Calendar

    • Mac
    • iPhone
    • iPad
    • iCloud
    68 alternatives to Apple Calendar 

    Keep track of your busy schedule and share it with others using Calendar. Create separate calendars — one for home, another for school, a third for work, and so on. See all your calendars in a single window or choose to see only the calendars you want.

     Suggest and vote on features
    Features
    Screenshot
  7. fruux icon

    fruux

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Blackberry
    • Windows Phone
    • iPad
    • Blackberry 10
    • Sailfish OS
    • Software as a Service (SaaS)
    46 alternatives to fruux 

    fruux is a free service that takes care of your contacts, calendars and more so you don't have to. Never manually copy contacts and calenders between your devices again!

    Screenshot
  8. Kalendar icon

    Kalendar

    90 alternatives to Kalendar 

    Kalendar is a Kirigami-based calendar application that uses Akonadi. It lets you add, edit and delete events from local and remote accounts of your choice, while keeping changes syncronised across your Plasma desktop or phone.

     Suggest and vote on features
    Features
    1.  Sync with Google CalendarKalendar can be synchronized with Google Calendar
    Screenshot
    Screenshot
  9. Calendar icon

    Calendar

    • Online
    48 alternatives to Calendar 

    Calendar, part of Office Online , is a time-management web application by Microsoft.

     Suggest and vote on features
    Features
    1.  RemindersCalendar allows you to set reminders for tasks, events or actions, based on parameters of time, place or condition.
    The calendar
    Adding a new Calendar
  10. newDay icon

    newDay

    106 alternatives to newDay 

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

     Suggest and vote on features
    Features
    Screenshot
Showing 10 of 20 alternatives
AlternativeTo