This app helps you focus on managing your schedule with essential features.




Google Calendar is described as 'Manage events efficiently with device syncing, Gmail integration, event reminders, and shareable schedules on a user-friendly interface with dark mode' and is a leading Calendar app in the office & productivity category. There are more than 100 alternatives to Google Calendar for a variety of platforms, including Web-based, iPhone, Android, iPad and Mac apps. The best Google Calendar alternative is Etar, which is both free and Open Source. Other great apps like Google Calendar are Proton Calendar, Fossify Calendar, Calendar Lock PEA and Simple Calendar.
This app helps you focus on managing your schedule with essential features.




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.



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!

Right Calendar app is a versatile scheduling tool that offers unparalleled flexibility to its users. One of its standout features is that it is built on an open-source platform. This not only ensures transparency but also allows for constant updates and bug fixes from a...




Kolab provides a FOSS communication & collaboration solution that can be completely self-hosted. Take back control of your data and access it via the webinterface, or existing mobile & desktop clients.
Merkuro is a calendar and contact application that allows you to manage your tasks, events and contacts. Merkuro supports both local calendars as well as a multitude of online calendars: Nextcloud, Google® Calendar, Outlook®, Caldav, and many more.




BusyCal is the most powerful, flexible, heavily customizable, reliable calendar app for macOS. It's packed with time-saving features and compatible with all leading cloud services including Reminders, iCloud, Google, Exchange, Office 365, Yahoo, Fastmail, Fruux, Kerio, Zoom...





Calendly can connect with up to six of your calendars to automatically check availability and help you connect with your best contacts, prospects and clients.





Some users think Calendly is a great Google Calendar alternative, some don't.
TimeTree is a calendar app designed around the concept of shared schedules and communication.




Clockwise helps individuals, groups, and companies improve productivity and share their time wisely.




Ulti-Planner is a new modern calendar app with best-in-class features. We have spent years perfecting our new flagship product with speed, power, and flexibility. Features include full year, month, timeline day, week, and agenda list views to display your events and reminders...




Appointment scheduler, useful addition to a calendar but not itself a calendar