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, Tuta Calendar and Calendar Lock PEA.
This app helps you focus on managing your schedule with essential features.




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...




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!

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.




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.
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...




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.





Free online scheduling tool for groups showing collective availability through a shared link without requiring accounts, simplifying coordination for events, trips, or meetings and reducing messaging by letting all participants easily mark open dates.



TimeTree is a calendar app designed around the concept of shared schedules and communication.




Take control of your schedule and get reminded wherever and however you want. Instantly access your appointments, tasks, and notes with a simple glance at a transparent calendar that sits right on your Windows desktop.



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