GNOME Calendar is a simple and beautiful calendar application designed to perfectly fit the GNOME desktop. By reusing the components which the GNOME desktop is build on, Calendar nicely integrates with the GNOME ecosystem.
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One of the most popular alternatives to Lightning Calendar is Google Calendar, which is free for personal use. Other popular alternatives are Proton Calendar, Fossify Calendar, Etar and Fantastical. Calendar Apps like Lightning Calendar are a crowded field, with more than 50 alternatives for Windows, iPhone, Mac, Linux and the web.
GNOME Calendar is a simple and beautiful calendar application designed to perfectly fit the GNOME desktop. By reusing the components which the GNOME desktop is build on, Calendar nicely integrates with the GNOME ecosystem.




It provides management of events and tasks, alarm notification, web export, network transparent handling of data, group scheduling, import and export of calendar files and more. It is able to work together with a wide variety of calendaring services, including NextCloud, Kolab...





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.




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.

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.



BORG is a combination calendar and task tracking system. The calendar supports all sorts of appointments and also a simple todo list. The calendar functionality is similar to that of other PIMs, such as Microsoft Outlook, Mozilla Calendar, Palm Desktop, Yahoo Calendar, etc...







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.



Calendar encryption: View calendars and stores them encrypted on your device or in the cloud.



ChronoFlo Calendar is a web app that makes it dead easy for anyone to create a beautiful interactive calendar for promoting their events or managing their life. ChronoFlo Calendar allows users to include images and videos in their calendars and (with a premium account) embed the...




Day Peek helps you stay on top of your schedule. It displays a clock with your upcoming events in a colorful, floating widget that gradually fades in as the event approaches.



