Google Calendar is a time management and scheduling service developed by Google. Allows users to create and edit events, with options available for type and time. Available to anyone that has a Gmail account on both mobile and web versions.

Microsoft Office 365 is a suite of apps that helps you stay connected with others and get things done. It includes but is not limited to Microsoft Word, PowerPoint, Excel, Teams, OneNote and OneDrive. Office 365 allows you to work remotely with others on a team and collaborate in an online environment. Both web versions and desktop/mobile applications are available.

Apple calendar runs both the macOS and iOS mobile operating systems. Offering online cloud backup of calendars using Apple’s iCloud service, it can sync with Google Calendar and Microsoft Exchange Server. Users can schedule events in their day that include time, location, duration, and extra notes.

Caldav is a protocol that allows different clients/servers to access scheduling information on remote servers as well as schedule meetings with other users on the same server or other servers. It extends WebDAV specification and uses iCalendar format for the data.

Zoho Calendar is an online business calendar that makes scheduling easy for you. You can use it to stay on top of your schedule and also share calendars with your team to keep everyone on the same page.

Import events from an ICS Feed into Cal.com.

The joyful productivity app

Lark Calendar is a time management and scheduling service developed by Lark. Allows users to create and edit events, with options available for type and time. Available to anyone that has a Lark account on both mobile and web versions.

The world's fastest calendar, beautifully designed for a remote world

Fetch Microsoft Exchange calendars and availabilities using Exchange Web Services (EWS).

For calendars hosted on on-premises Microsoft Exchange 2016 servers

For calendars hosted on on-premises Microsoft Exchange 2013 servers